<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      width: 100%;
      min-height: 100%;
      background: #ffffff;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      width: 100%;
      max-width: 650px;
      margin: 0 auto;
    }

    .fungi-card {
      background: #f8fafc;
      border: 1.5px solid #e2e8f0;
      border-radius: 14px;
      padding: 12px 8px 14px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .card-yeast {
      border-color: #fde68a;
      background: #fffdf5;
    }

    .card-mold {
      border-color: #a7f3d0;
      background: #f4fdf8;
    }

    .card-mushroom {
      border-color: #fecdd3;
      background: #fff7f7;
    }

    .title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .card-yeast .title { color: #b45309; }
    .card-mold .title { color: #047857; }
    .card-mushroom .title { color: #be123c; }

    .visual-box {
      width: 100%;
      height: 110px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 10px;
    }

    .visual-box svg {
      width: 100%;
      height: 100%;
      max-width: 110px;
      max-height: 110px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 5px 8px;
      border-radius: 8px;
      font-size: 11.5px;
      font-weight: 600;
      line-height: 1.25;
      min-height: 34px;
    }

    .card-yeast .badge {
      background: #fef3c7;
      color: #92400e;
    }

    .card-mold .badge {
      background: #d1fae5;
      color: #065f46;
    }

    .card-mushroom .badge {
      background: #ffe4e6;
      color: #9f1239;
    }

    @media (max-width: 400px) {
      body {
        padding: 8px;
      }
      .grid {
        gap: 6px;
      }
      .fungi-card {
        padding: 8px 4px 10px;
      }
      .title {
        font-size: 14px;
        margin-bottom: 4px;
      }
      .visual-box {
        height: 90px;
        margin-bottom: 6px;
      }
      .badge {
        font-size: 10.5px;
        padding: 4px 6px;
      }
    }
  </style>
</head>
<body>

  <div class="grid">
    
    <div class="fungi-card card-yeast">
      <div class="title">Yeasts</div>
      <div class="visual-box">
        <svg viewBox="0 0 100 100" fill="none" xmlns="http://www.w3.org/2000/svg">
          
          <circle cx="46" cy="46" r="38" fill="#ffffff" stroke="#f59e0b" stroke-width="3.5" />
          <circle cx="46" cy="46" r="34" fill="#fffbeb" />
          
          
          <path d="M73 73 L92 92" stroke="#d97706" stroke-width="6" stroke-linecap="round" />

          
          
          <ellipse cx="40" cy="48" rx="11" ry="15" fill="#fbbf24" stroke="#d97706" stroke-width="1.8" />
          <ellipse cx="38" cy="45" rx="3" ry="5" fill="#ffffff" opacity="0.6" />
          
          <ellipse cx="48" cy="33" rx="6" ry="8" transform="rotate(25 48 33)" fill="#fcd34d" stroke="#d97706" stroke-width="1.6" />

          
          <ellipse cx="58" cy="54" rx="8" ry="11" transform="rotate(-15 58 54)" fill="#fbbf24" stroke="#d97706" stroke-width="1.6" />
          
          
          <ellipse cx="28" cy="38" rx="5" ry="7" transform="rotate(10 28 38)" fill="#fde68a" stroke="#d97706" stroke-width="1.4" />
        </svg>
      </div>
      <span class="badge">Single-Celled<br>(Microscopic)</span>
    </div>

    
    <div class="fungi-card card-mold">
      <div class="title">Molds</div>
      <div class="visual-box">
        <svg viewBox="0 0 100 100" fill="none" xmlns="http://www.w3.org/2000/svg">
          
          <path d="M20 38 C20 22, 32 18, 50 18 C68 18, 80 22, 80 38 L80 78 C80 82, 76 85, 72 85 L28 85 C24 85, 20 82, 20 78 Z" fill="#fed7aa" stroke="#d4a373" stroke-width="2" />
          
          <path d="M19 36 C19 20, 31 16, 50 16 C69 16, 81 20, 81 36" stroke="#b45309" stroke-width="3.5" fill="none" stroke-linecap="round" />

          
          <circle cx="42" cy="42" r="14" fill="#6ee7b7" opacity="0.85" />
          <circle cx="40" cy="40" r="9" fill="#10b981" />
          <circle cx="38" cy="38" r="4" fill="#047857" />

          
          <circle cx="62" cy="55" r="11" fill="#93c5fd" opacity="0.8" />
          <circle cx="63" cy="56" r="7" fill="#0ea5e9" />

          
          <path d="M42 42 Q30 52 26 65" stroke="#047857" stroke-width="1.5" fill="none" />
          <path d="M30 52 Q35 62 38 72" stroke="#047857" stroke-width="1.3" fill="none" />
          <path d="M48 46 Q54 50 62 55" stroke="#0f766e" stroke-width="1.5" fill="none" />
          <path d="M62 55 Q70 65 74 76" stroke="#0284c7" stroke-width="1.4" fill="none" />
          <path d="M66 60 Q60 68 56 78" stroke="#0284c7" stroke-width="1.2" fill="none" />

          
          <circle cx="26" cy="65" r="1.5" fill="#047857" />
          <circle cx="38" cy="72" r="1.5" fill="#047857" />
          <circle cx="74" cy="76" r="1.5" fill="#0284c7" />
          <circle cx="56" cy="78" r="1.5" fill="#0284c7" />
        </svg>
      </div>
      <span class="badge">Multicellular<br>Threads</span>
    </div>

    
    <div class="fungi-card card-mushroom">
      <div class="title">Mushrooms</div>
      <div class="visual-box">
        <svg viewBox="0 0 100 100" fill="none" xmlns="http://www.w3.org/2000/svg">
          
          <path d="M12 76 Q50 74 88 76" stroke="#78350f" stroke-width="2.5" stroke-linecap="round" />
          
          
          <path d="M48 76 Q42 84 34 88" stroke="#cbd5e1" stroke-width="1.5" fill="none" />
          <path d="M52 76 Q56 83 66 87" stroke="#cbd5e1" stroke-width="1.5" fill="none" />
          <path d="M50 76 L50 92" stroke="#cbd5e1" stroke-width="1.5" fill="none" />

          
          <path d="M42 48 Q40 76 38 76 L62 76 Q60 76 58 48 Z" fill="#fff1f2" stroke="#f43f5e" stroke-width="1.8" />
          
          
          <ellipse cx="50" cy="56" rx="9" ry="2.5" fill="#ffe4e6" stroke="#f43f5e" stroke-width="1.4" />

          
          <path d="M22 48 C22 22, 78 22, 78 48 C66 51, 34 51, 22 48 Z" fill="#e11d48" stroke="#be123c" stroke-width="2" />

          
          <ellipse cx="50" cy="30" rx="5" ry="3.5" fill="#ffffff" />
          <ellipse cx="34" cy="38" rx="4" ry="3" fill="#ffffff" />
          <ellipse cx="66" cy="38" rx="4" ry="3" fill="#ffffff" />
          <circle cx="50" cy="42" r="2.5" fill="#ffffff" />
        </svg>
      </div>
      <span class="badge">Large<br>Multicellular Body</span>
    </div>
  </div>

</body>
</html>

What Are Fungi: Yeasts, Molds, and Mushrooms

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #faf8f5;
      color: #2e1c0c;
      width: 100%;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      min-height: 100%;
    }

    .stepper-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .step-btn {
      background: #ffffff;
      border: 1.5px solid #d5c3b2;
      border-radius: 20px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 700;
      color: #4a3828;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 5px;
      transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    }
    .step-btn:hover {
      background: #fbf6f0;
      border-color: #c2410c;
    }
    .step-btn.active {
      background: #c2410c;
      border-color: #9a3412;
      color: #ffffff;
      box-shadow: 0 2px 6px rgba(194, 65, 12, 0.35);
    }

    .play-btn {
      background: #ffffff;
      border: 1.5px solid #d5c3b2;
      border-radius: 50%;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 12px;
      color: #4a3828;
      font-weight: bold;
      transition: background-color 0.2s ease;
    }
    .play-btn:hover {
      background: #fbf6f0;
      border-color: #c2410c;
    }

    .stage-container {
      width: 100%;
      display: grid;
      grid-template-columns: 1fr auto 1fr auto 1fr;
      gap: 8px;
      align-items: center;
      flex: 1;
      max-width: 660px;
    }

    .panel {
      background: #ffffff;
      border: 2px solid #e5d8cc;
      border-radius: 14px;
      padding: 10px 6px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      height: 205px;
      position: relative;
      transition: border-color 0.4s ease, box-shadow 0.4s ease, background-color 0.4s ease;
    }
    .panel.active {
      border-color: #c2410c;
      background-color: #fffdfa;
      box-shadow: 0 4px 14px rgba(194, 65, 12, 0.18);
    }

    .panel-title {
      font-size: 13px;
      font-weight: 800;
      color: #431407;
      text-align: center;
      line-height: 1.2;
    }
    .panel.active .panel-title {
      color: #9a3412;
    }

    .artboard {
      width: 100%;
      height: 115px;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }

    .panel-tag {
      font-size: 11px;
      font-weight: 700;
      color: #4a3828;
      background: #f5eee6;
      padding: 3px 10px;
      border-radius: 12px;
      border: 1px solid #d5c3b2;
      text-align: center;
    }
    .panel.active .panel-tag {
      background: #ffedd5;
      color: #7c2d12;
      border-color: #ea580c;
    }

    .arrow {
      color: #9c826c;
      font-size: 20px;
      font-weight: 900;
      text-align: center;
      user-select: none;
    }
    .arrow-text {
      display: inline-block;
    }

    /* Step 1 Visuals */
    .yeast-cell {
      width: 52px;
      height: 66px;
      background: linear-gradient(145deg, #fed7aa, #ea580c);
      border: 2px solid #c2410c;
      border-radius: 50% 50% 48% 48% / 60% 60% 40% 40%;
      box-shadow: inset -2px -2px 5px rgba(154, 52, 18, 0.35), 0 3px 6px rgba(0,0,0,0.08);
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .bud {
      position: absolute;
      width: 22px;
      height: 26px;
      top: -9px;
      right: -5px;
      background: linear-gradient(145deg, #fed7aa, #ea580c);
      border: 2px solid #c2410c;
      border-radius: 50%;
    }
    .sugar-group {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-left: 8px;
    }
    .sugar-cube {
      width: 15px;
      height: 15px;
      background: #e0f2fe;
      border: 1.5px solid #0369a1;
      border-radius: 3px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    }

    /* Step 2 Visuals - High Contrast Bubbles */
    .bubble {
      position: absolute;
      background: #e0f2fe;
      border: 2px solid #0369a1;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 10px;
      font-weight: 900;
      color: #082f49;
      box-shadow: 0 2px 5px rgba(3, 105, 161, 0.2);
      animation: gentleRise 3s ease-in-out infinite;
    }
    .b1 { width: 32px; height: 32px; top: 12px; left: 10px; animation-delay: 0s; }
    .b2 { width: 36px; height: 36px; top: 4px; right: 10px; animation-delay: 1s; }
    .b3 { width: 28px; height: 28px; top: 56px; right: 18px; animation-delay: 2s; }

    @keyframes gentleRise {
      0% { transform: translateY(4px); }
      50% { transform: translateY(-6px); }
      100% { transform: translateY(4px); }
    }

    /* Step 3 Visuals */
    .dough-container {
      width: 96px;
      height: 80px;
      position: relative;
      display: flex;
      align-items: flex-end;
      justify-content: center;
    }
    .dough-base {
      width: 88px;
      height: 48px;
      background: #fed7aa;
      border: 2px dashed #9a3412;
      border-radius: 44px 44px 10px 10px;
      position: absolute;
      bottom: 0;
      opacity: 0.6;
    }
    .dough-risen {
      width: 96px;
      height: 74px;
      background: linear-gradient(180deg, #fde047 0%, #f59e0b 60%, #b45309 100%);
      border: 2px solid #78350f;
      border-radius: 48px 48px 14px 14px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.12);
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.5s ease;
    }
    .panel.active .dough-risen {
      transform: scale(1.05);
    }
    .pore {
      position: absolute;
      background: #fef08a;
      border: 1px solid #b45309;
      border-radius: 50%;
      box-shadow: inset 1px 1px 2px rgba(120, 53, 15, 0.4);
    }
    .p1 { width: 14px; height: 11px; top: 20px; left: 14px; }
    .p2 { width: 18px; height: 15px; top: 14px; right: 18px; }
    .p3 { width: 16px; height: 13px; bottom: 14px; left: 38px; }
    .p4 { width: 11px; height: 9px; top: 38px; left: 18px; }
    .p5 { width: 13px; height: 10px; top: 38px; right: 16px; }

    @media (max-width: 480px) {
      .stage-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto auto;
        gap: 6px;
      }
      .panel {
        height: 120px;
        flex-direction: row;
        padding: 8px 12px;
      }
      .artboard {
        width: 110px;
        height: 90px;
      }
      .arrow {
        transform: rotate(90deg);
        line-height: 1;
        margin: -2px 0;
      }
    }
  </style>
</head>
<body>

  <div class="stepper-nav">
    <button class="step-btn active" data-idx="0">1. Sugar</button>
    <button class="step-btn" data-idx="1">2. Gas</button>
    <button class="step-btn" data-idx="2">3. Dough</button>
    <button id="playBtn" class="play-btn" title="Toggle Auto-Play" aria-label="Pause slideshow">⏸</button>
  </div>

  <div class="stage-container">
    
    <div class="panel active" data-step="0">
      <div class="panel-title">1. Eats Sugar</div>
      <div class="artboard">
        <div class="yeast-cell">
          <div class="bud"></div>
        </div>
        <div class="sugar-group">
          <div class="sugar-cube"></div>
          <div class="sugar-cube"></div>
          <div class="sugar-cube"></div>
        </div>
      </div>
      <div class="panel-tag">Yeast + Sugar</div>
    </div>

    <div class="arrow" aria-hidden="true"><span class="arrow-text">→</span></div>

    
    <div class="panel" data-step="1">
      <div class="panel-title">2. Releases CO₂</div>
      <div class="artboard">
        <div class="yeast-cell" style="opacity: 0.9;">
          <div class="bud"></div>
        </div>
        <div class="bubble b1">CO₂</div>
        <div class="bubble b2">CO₂</div>
        <div class="bubble b3">CO₂</div>
      </div>
      <div class="panel-tag">Gas Bubbles</div>
    </div>

    <div class="arrow" aria-hidden="true"><span class="arrow-text">→</span></div>

    
    <div class="panel" data-step="2">
      <div class="panel-title">3. Dough Rises</div>
      <div class="artboard">
        <div class="dough-container">
          <div class="dough-base"></div>
          <div class="dough-risen">
            <div class="pore p1"></div>
            <div class="pore p2"></div>
            <div class="pore p3"></div>
            <div class="pore p4"></div>
            <div class="pore p5"></div>
          </div>
        </div>
      </div>
      <div class="panel-tag">Air Pockets</div>
    </div>
  </div>

  <script>
    (function() {
      var currentStep = 0;
      var isPlaying = true;
      var timer = null;
      var intervalTime = 3000;

      var stepButtons = document.querySelectorAll('.step-btn');
      var panels = document.querySelectorAll('.panel');
      var playBtn = document.getElementById('playBtn');

      function setStep(idx) {
        currentStep = idx;
        for (var i = 0; i < panels.length; i++) {
          panels[i].classList.toggle('active', i === idx);
        }
        for (var j = 0; j < stepButtons.length; j++) {
          stepButtons[j].classList.toggle('active', j === idx);
        }
      }

      function nextStep() {
        setStep((currentStep + 1) % panels.length);
      }

      function startTimer() {
        stopTimer();
        isPlaying = true;
        if (playBtn) {
          playBtn.textContent = '⏸';
          playBtn.setAttribute('aria-label', 'Pause slideshow');
        }
        timer = setInterval(nextStep, intervalTime);
      }

      function stopTimer() {
        isPlaying = false;
        if (timer) {
          clearInterval(timer);
          timer = null;
        }
        if (playBtn) {
          playBtn.textContent = '▶';
          playBtn.setAttribute('aria-label', 'Play slideshow');
        }
      }

      stepButtons.forEach(function(btn) {
        btn.addEventListener('click', function() {
          var idx = parseInt(btn.getAttribute('data-idx'), 10);
          stopTimer();
          setStep(idx);
        });
      });

      if (playBtn) {
        playBtn.addEventListener('click', function() {
          if (isPlaying) {
            stopTimer();
          } else {
            startTimer();
          }
        });
      }

      startTimer();
    })();
  </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Kingdom Nutrition Modes</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      width: 100%;
      min-height: 100%;
      background: #f8fafc;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #0f172a;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 12px;
      line-height: 1.3;
    }

    .header-area {
      text-align: center;
      margin-bottom: 10px;
      width: 100%;
      max-width: 680px;
    }

    .main-title {
      font-size: 17px;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -0.2px;
    }

    .main-subtitle {
      font-size: 12px;
      color: #64748b;
      margin-top: 2px;
    }

    .grid-container {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      width: 100%;
      max-width: 680px;
      align-items: stretch;
    }

    .panel {
      background: #ffffff;
      border-radius: 12px;
      padding: 10px 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      text-align: center;
      border: 2px solid #e2e8f0;
      cursor: pointer;
      user-select: none;
      transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
      position: relative;
    }

    .panel:focus-visible {
      outline: 2px solid #0284c7;
      outline-offset: 2px;
    }

    .panel.plant {
      border-color: #bbf7d0;
    }
    .panel.plant:hover, .panel.plant.active {
      border-color: #16a34a;
      box-shadow: 0 4px 12px rgba(22, 163, 74, 0.14);
      background-color: #f0fdf4;
    }

    .panel.animal {
      border-color: #fed7aa;
    }
    .panel.animal:hover, .panel.animal.active {
      border-color: #ea580c;
      box-shadow: 0 4px 12px rgba(234, 88, 12, 0.14);
      background-color: #fff7ed;
    }

    .panel.fungus {
      border-color: #ddd6fe;
    }
    .panel.fungus:hover, .panel.fungus.active {
      border-color: #7c3aed;
      box-shadow: 0 4px 12px rgba(124, 58, 237, 0.14);
      background-color: #faf5ff;
    }

    .panel-header {
      margin-bottom: 4px;
    }

    .title {
      font-size: 14.5px;
      font-weight: 800;
      line-height: 1.2;
    }
    .plant .title { color: #15803d; }
    .animal .title { color: #c2410c; }
    .fungus .title { color: #6d28d9; }

    .subtitle {
      font-size: 11px;
      font-weight: 600;
      color: #64748b;
      margin-top: 1px;
    }

    .svg-wrap {
      width: 100%;
      height: 150px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 4px 0;
    }

    svg {
      width: 100%;
      height: 100%;
      max-height: 150px;
      overflow: visible;
    }

    .badge {
      padding: 3px 8px;
      font-size: 10px;
      font-weight: 700;
      border-radius: 10px;
      white-space: nowrap;
      margin-top: 4px;
    }
    .plant .badge { background: #dcfce7; color: #166534; }
    .animal .badge { background: #ffedd5; color: #9a3412; }
    .fungus .badge { background: #ede9fe; color: #5b21b6; }

    /* Educational Info Drawer */
    .info-footer {
      width: 100%;
      max-width: 680px;
      margin-top: 10px;
      padding: 9px 12px;
      background: #ffffff;
      border-radius: 10px;
      border: 1px solid #e2e8f0;
      border-left: 4px solid #16a34a;
      display: flex;
      align-items: center;
      gap: 10px;
      transition: border-left-color 0.3s ease;
    }

    .info-icon {
      font-size: 18px;
      flex-shrink: 0;
      line-height: 1;
    }

    .info-text {
      font-size: 11.5px;
      color: #334155;
      line-height: 1.35;
    }

    .info-text strong {
      color: #0f172a;
    }

    /* Pedagogical Smooth Animations (>= 1.8s duration) */
    .sunbeam {
      animation: pulseSun 2.4s ease-in-out infinite alternate;
      transform-origin: 26px 24px;
    }
    @keyframes pulseSun {
      0% { opacity: 0.5; stroke-width: 1.5; }
      100% { opacity: 1; stroke-width: 2.2; }
    }

    .water-flow {
      stroke-dasharray: 4 4;
      animation: flowUp 2.2s linear infinite;
    }
    @keyframes flowUp {
      from { stroke-dashoffset: 16; }
      to { stroke-dashoffset: 0; }
    }

    .food-swallow {
      animation: ingestFood 3.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    }
    @keyframes ingestFood {
      0% { transform: translate(0, 0); opacity: 0; }
      15% { opacity: 1; }
      45% { transform: translate(32px, 14px); opacity: 1; }
      75% { transform: translate(46px, 44px); opacity: 1; }
      90% { transform: translate(46px, 44px); opacity: 0; }
      100% { transform: translate(46px, 44px); opacity: 0; }
    }

    .digestive-glow {
      animation: pulseDigest 3.2s ease-in-out infinite;
      transform-origin: center;
    }
    @keyframes pulseDigest {
      0%, 40% { opacity: 0.35; }
      65%, 85% { opacity: 0.95; filter: drop-shadow(0 0 3px #ea580c); }
      100% { opacity: 0.35; }
    }

    .enzyme-drop {
      animation: releaseEnzymes 2.8s ease-in-out infinite;
    }
    @keyframes releaseEnzymes {
      0% { transform: translateY(0); opacity: 0; }
      25% { opacity: 1; }
      70% { transform: translateY(16px); opacity: 0.85; }
      90%, 100% { transform: translateY(18px); opacity: 0; }
    }

    .nutrient-flow {
      stroke-dasharray: 3 3;
      animation: absorbUp 2.4s linear infinite;
    }
    @keyframes absorbUp {
      from { stroke-dashoffset: 0; }
      to { stroke-dashoffset: 14; }
    }

    .label-text {
      font-size: 8.5px;
      font-weight: 700;
    }

    /* Mobile Responsive Single-Column Stack */
    @media (max-width: 500px) {
      body {
        padding: 8px;
      }
      .grid-container {
        grid-template-columns: 1fr;
        gap: 10px;
      }
      .panel {
        padding: 10px 12px;
      }
      .svg-wrap {
        height: 140px;
        max-width: 220px;
      }
      .main-title {
        font-size: 15px;
      }
      .main-subtitle {
        font-size: 11px;
      }
      .info-footer {
        padding: 8px 10px;
      }
    }
  </style>
</head>
<body>

  <div class="header-area">
    <div class="main-title">Kingdom Nutrition Modes</div>
    <div class="main-subtitle">Compare how Autotrophs and Heterotrophs acquire energy</div>
  </div>

  <div class="grid-container" role="radiogroup" aria-label="Kingdom Nutrition Modes">
    
    
    <div class="panel plant active" id="plantCard" tabindex="0" role="radio" aria-checked="true" onclick="selectPanel('plant')" onkeydown="handleKeyDown(event, 'plant')">
      <div class="panel-header">
        <div class="title">Plant</div>
        <div class="subtitle">Makes own food</div>
      </div>
      
      <div class="svg-wrap">
        <svg viewBox="0 0 160 176" preserveAspectRatio="xMidYMid meet">
          
          <circle cx="26" cy="24" r="11" fill="#facc15"/>
          <g class="sunbeam" stroke="#eab308" stroke-width="2" stroke-linecap="round">
            <line x1="26" y1="8" x2="26" y2="4" />
            <line x1="26" y1="40" x2="26" y2="44" />
            <line x1="10" y1="24" x2="6" y2="24" />
            <line x1="42" y1="24" x2="46" y2="24" />
            <line x1="14" y1="12" x2="11" y2="9" />
            <line x1="38" y1="36" x2="41" y2="39" />
            <line x1="38" y1="12" x2="41" y2="9" />
            <line x1="14" y1="36" x2="11" y2="39" />
            
            <path d="M35 32 L68 60" stroke="#f59e0b" stroke-dasharray="3 3" stroke-width="2" />
          </g>

          
          <rect x="46" y="24" width="34" height="15" rx="4" fill="#fef08a" />
          <text x="63" y="35" text-anchor="middle" class="label-text" fill="#854d0e">Light</text>

          
          <path d="M12 134 C50 131 110 131 148 134 L148 172 L12 172 Z" fill="#f1f5f9" stroke="#cbd5e1" stroke-width="1.5" />
          
          
          <path d="M80 134 Q70 144 58 158 M80 136 Q88 146 100 158 M80 138 L80 162" stroke="#94a3b8" stroke-width="1.8" stroke-linecap="round" />
          
          
          <path d="M80 144 L80 94" stroke="#0284c7" stroke-width="2" class="water-flow" stroke-linecap="round" fill="none" />
          <polygon points="80,88 76,95 84,95" fill="#0284c7" />

          
          <path d="M80 134 Q80 102 80 76" stroke="#16a34a" stroke-width="4" stroke-linecap="round" fill="none" />
          
          
          <path d="M80 76 C58 46 106 34 128 50 C134 72 106 88 80 76 Z" fill="#22c55e" stroke="#15803d" stroke-width="2" />
          <path d="M82 75 Q102 63 122 53" stroke="#15803d" stroke-width="1.5" fill="none" stroke-linecap="round" />

          
          <rect x="90" y="84" width="60" height="18" rx="9" fill="#16a34a" filter="drop-shadow(0 1px 2px rgba(0,0,0,0.1))" />
          <text x="120" y="96.5" text-anchor="middle" fill="#ffffff" font-size="8.5" font-weight="700">Sugar (Food)</text>

          
          <rect x="48" y="154" width="64" height="15" rx="4" fill="#ffffff" stroke="#cbd5e1" stroke-width="1" />
          <text x="80" y="165" text-anchor="middle" class="label-text" fill="#475569">Soil &amp; H₂O</text>
        </svg>
      </div>

      <div class="badge">Photosynthesis</div>
    </div>

    
    <div class="panel animal" id="animalCard" tabindex="0" role="radio" aria-checked="false" onclick="selectPanel('animal')" onkeydown="handleKeyDown(event, 'animal')">
      <div class="panel-header">
        <div class="title">Animal</div>
        <div class="subtitle">Digests inside</div>
      </div>
      
      <div class="svg-wrap">
        <svg viewBox="0 0 160 176" preserveAspectRatio="xMidYMid meet">
          
          <circle cx="26" cy="58" r="7.5" fill="#ef4444" />
          <path d="M26 51 Q28 45 33 44" stroke="#16a34a" stroke-width="1.5" fill="none" />
          
          
          <rect x="11" y="70" width="30" height="14" rx="3" fill="#fee2e2" />
          <text x="26" y="80.5" text-anchor="middle" class="label-text" fill="#b91c1c">Food</text>

          
          <path d="M36 58 C50 58 58 64 66 70" stroke="#ea580c" stroke-width="1.8" stroke-dasharray="3 3" fill="none" />

          
          <circle class="food-swallow" cx="26" cy="58" r="4.5" fill="#ea580c" />

          
          
          <path d="M62 64 L48 70 L62 76 Z" fill="#f97316" stroke="#ea580c" stroke-width="1" /> 
          
          <path d="M62 58 C74 42 106 44 120 58 C138 76 134 112 122 132 C102 148 74 138 66 120 C58 104 56 78 62 58 Z" 
                fill="#ffedd5" stroke="#ea580c" stroke-width="2" />
          
          <circle cx="76" cy="61" r="3" fill="#431407" />
          <circle cx="75" cy="60" r="1" fill="#ffffff" />

          
          <path d="M62 70 Q74 76 82 88 Q88 100 94 108" stroke="#fdba74" stroke-width="5" stroke-linecap="round" fill="none" />

          
          <g transform="translate(95, 111)">
            <ellipse class="digestive-glow" cx="0" cy="0" rx="15" ry="12" fill="#ea580c" />
            <text x="0" y="3" text-anchor="middle" fill="#ffffff" font-size="7.5" font-weight="700">Digest</text>
          </g>

          
          <rect x="68" y="152" width="62" height="16" rx="4" fill="#ffffff" stroke="#fed7aa" stroke-width="1" />
          <text x="99" y="163.5" text-anchor="middle" class="label-text" fill="#c2410c">Internal Gut</text>
        </svg>
      </div>

      <div class="badge">Ingestion</div>
    </div>

    
    <div class="panel fungus" id="fungusCard" tabindex="0" role="radio" aria-checked="false" onclick="selectPanel('fungus')" onkeydown="handleKeyDown(event, 'fungus')">
      <div class="panel-header">
        <div class="title">Fungus</div>
        <div class="subtitle">Digests outside</div>
      </div>
      
      <div class="svg-wrap">
        <svg viewBox="0 0 160 176" preserveAspectRatio="xMidYMid meet">
          
          <rect x="10" y="94" width="140" height="76" rx="6" fill="#f8fafc" stroke="#cbd5e1" stroke-width="1.5" />
          
          
          <path d="M80 40 C48 40 42 68 42 68 L118 68 C118 68 112 40 80 40 Z" fill="#8b5cf6" stroke="#6d28d9" stroke-width="2" />
          
          <circle cx="64" cy="52" r="3.5" fill="#ffffff" opacity="0.9" />
          <circle cx="80" cy="48" r="3.5" fill="#ffffff" opacity="0.9" />
          <circle cx="98" cy="54" r="3.5" fill="#ffffff" opacity="0.9" />
          
          
          <path d="M72 68 L70 95 L90 95 L88 68 Z" fill="#ede9fe" stroke="#6d28d9" stroke-width="1.5" />

          
          <g stroke="#a855f7" stroke-width="1.8" stroke-linecap="round" fill="none">
            <path d="M74 95 Q62 104 46 112 M46 112 Q36 118 28 128 M46 112 Q44 124 38 134" />
            <path d="M86 95 Q98 104 114 112 M114 112 Q124 118 132 128 M114 112 Q116 124 122 134" />
            <path d="M80 95 L80 130 Q80 140 86 146 M80 130 Q76 140 70 146" />
          </g>

          
          <g fill="#0284c7">
            <circle class="enzyme-drop" cx="40" cy="116" r="2.5" />
            <circle class="enzyme-drop" cx="120" cy="116" r="2.5" style="animation-delay: 0.7s;" />
            <circle class="enzyme-drop" cx="80" cy="126" r="2.5" style="animation-delay: 1.4s;" />
          </g>

          
          <path d="M48 132 L64 110" stroke="#7c3aed" stroke-width="2" class="nutrient-flow" fill="none" />
          <path d="M112 132 L96 110" stroke="#7c3aed" stroke-width="2" class="nutrient-flow" fill="none" />

          
          <rect x="12" y="98" width="48" height="14" rx="3" fill="#e0f2fe" stroke="#bae6fd" stroke-width="0.8" />
          <text x="36" y="108.5" text-anchor="middle" class="label-text" fill="#0369a1">Enzymes ↓</text>

          <rect x="100" y="98" width="48" height="14" rx="3" fill="#f3e8ff" stroke="#e9d5ff" stroke-width="0.8" />
          <text x="124" y="108.5" text-anchor="middle" class="label-text" fill="#6d28d9">Nutrients ↑</text>

          <rect x="44" y="152" width="72" height="15" rx="4" fill="#ffffff" stroke="#cbd5e1" stroke-width="1" />
          <text x="80" y="163" text-anchor="middle" class="label-text" fill="#64748b">Decaying Wood</text>
        </svg>
      </div>

      <div class="badge">Absorption</div>
    </div>

  </div>

  
  <div class="info-footer" id="infoFooter" aria-live="polite">
    <div class="info-icon" id="infoIcon">🌿</div>
    <div class="info-text" id="infoText">
      <strong>Plant (Autotroph):</strong> Synthesizes its own organic food from sunlight, water, and CO₂ via photosynthesis.
    </div>
  </div>

  <script>
    const nutritionInfo = {
      plant: {
        icon: '🌿',
        border: '#16a34a',
        text: '<strong>Plant (Autotroph):</strong> Synthesizes its own organic food from sunlight, water, and CO₂ via photosynthesis.'
      },
      animal: {
        icon: '🦊',
        border: '#ea580c',
        text: '<strong>Animal (Heterotroph - Ingestion):</strong> Consumes food whole or in pieces, then chemically breaks it down inside an internal digestive tract.'
      },
      fungus: {
        icon: '🍄',
        border: '#7c3aed',
        text: '<strong>Fungus (Heterotroph - Absorption):</strong> Releases digestive enzymes externally to break down organic substrate, then absorbs the dissolved nutrients.'
      }
    };

    function selectPanel(type) {
      const cards = ['plant', 'animal', 'fungus'];
      cards.forEach(k => {
        const el = document.getElementById(k + 'Card');
        if (el) {
          const isActive = (k === type);
          el.classList.toggle('active', isActive);
          el.setAttribute('aria-checked', isActive ? 'true' : 'false');
        }
      });

      const footer = document.getElementById('infoFooter');
      const icon = document.getElementById('infoIcon');
      const text = document.getElementById('infoText');
      const data = nutritionInfo[type];

      if (data && footer && icon && text) {
        footer.style.borderLeftColor = data.border;
        icon.textContent = data.icon;
        text.innerHTML = data.text;
      }
    }

    function handleKeyDown(event, type) {
      if (event.key === 'Enter' || event.key === ' ') {
        event.preventDefault();
        selectPanel(type);
      }
    }
  </script>
</body>
</html>

¿Qué es la célula?: La unidad de la vida

El microscopio y el descubrimiento de las células

Partes principales de la célula: membrana, citoplasma y núcleo

Organelos celulares: las pequeñas fábricas dentro de la célula

Diferencias y semejanzas entre la célula animal y la célula vegetal

La pared celular y los cloroplastos: exclusivos de las plantas

Seres unicelulares: vida completa en una sola célula

Seres pluricelulares: cooperación entre millones de células

Funciones vitales en la célula: nutrición, relación y reproducción

Importancia de las células para el crecimiento, la reparación y la salud

science

La célula: unidad estructural y funcional de la vida

Signs of Life: What Makes Something Alive

What All Living Things Need to Stay Alive

Things That Were Once Alive

Things That Have Never Been Alive

Sorting Objects: Living, Dead, or Never Alive

Investigating Living Things in the School Grounds

Living, Dead, and Never Alive

Niveles de organización biológica

De las células a los tejidos: la especialización celular

Tejidos en los animales: epitelial, muscular, nervioso y conectivo

Tejidos en las plantas: epidérmico, fundamental y conductor

Los órganos: unión de tejidos para cumplir una misión

Órganos en las plantas: raíz, tallo, hojas y flores

Sistemas de órganos: trabajo en equipo dentro del cuerpo

El organismo completo: un sistema vivo integrado

Niveles de organización ecológica: individuo, población, comunidad

Comparación entre niveles de organización: del átomo a la biosfera

Niveles de organización de los seres vivos

Komórka jako podstawowa jednostka strukturalna i funkcjonalna życia

Błona komórkowa i ściana komórkowa — ochrona i transport

Cytoplazma i cytozol — środowisko reakcji biochemicznych

Jądro komórkowe — centrum sterowania i nośnik informacji genetycznej

Mitochondrium — centrum energetyczne komórki

Chloroplasty i plastydy — wytwarzanie pokarmu i barwniki

Wakuola (wodniczka) — gospodarka wodna i magazynowanie

Porównanie komórki roślinnej, zwierzęcej i grzybowej

Biologia komórki — struktura i funkcje organelli

¿Por qué clasificamos a los seres vivos?

Criterios de clasificación científica: forma, nutrición y estructura celular

El reino mónera: las bacterias y su papel en el mundo

El reino protista: algas microscópicas y protozoos

El reino de los hongos: Características e importancia

El reino vegetal: plantas con flor, sin flor, musgos y helechos

El reino animal: animales invertebrados y sus grupos principales

El reino animal: los cinco grupos de vertebrados

Microorganismos útiles: fermentación, yogur y antibióticos

Microorganismos patógenos: virus, bacterias y hábitos de higiene

Uso de claves dicotómicas sencillas para identificar seres vivos

Clasificación de los seres vivos y los reinos de la naturaleza

How Fungi Feed: Heterotrophic Absorption

Edible vs. Poisonous Mushrooms and Foraging Safety

Fungi as Nature's Recyclers in the Forest

Fungi, Mushrooms, and Decomposers

Autotrofizm a heterotrofizm — dwa sposoby odżywiania organizmów

Istota fotosyntezy — substraty, produkty i rola światła

Doświadczalne wykrywanie produktów fotosyntezy — tlen i skrobia

Oddychanie tlenowe — uwalnianie energii z glukozy

Oddychanie beztlenowe i fermentacja u mikroorganizmów

Porównanie fotosyntezy i oddychania komórkowego

Czynniki wpływające na intensywność fotosyntezy i oddychania

Fotosynteza, oddychanie i metabolizm komórkowy

Środowiska życia grzybów — wilgoć, gleba i inne organizmy

Cechy charakterystyczne grzybów — chitynowa ściana i brak chlorofilu

Grzyby jednokomórkowe na przykładzie drożdży i ich rozmnażanie przez pączkowanie

Grzyby wielokomórkowe — grzybnia, strzępki i owocniki

Sposoby odżywiania się grzybów — saprobionty, pasożyty i symbionty

Oddychanie grzybów — oddychanie tlenowe a fermentacja alkoholowa

Mikoryza — współpraca grzybów z korzeniami drzew i roślin

Biologia i różnorodność grzybów — budowa i czynności życiowe

Porosty jako organizmy dwuskładnikowe i ich środowiska życia

Porosty jako organizmy pionierskie i bioindykatory — skala porostowa

Znaczenie grzybów w przyrodzie — krążenie materii i rozkład drewna

Znaczenie grzybów dla człowieka — przemysł spożywczy, medycyna i zagrożenia

Zasady bezpiecznego grzybobrania i rozróżnianie gatunków jadalnych od trujących

Porosty oraz znaczenie grzybów w przyrodzie i gospodarce

Błona komórkowa — granica komórki i selektywny transport

Cytoplazma i cytozol — środowisko reakcji życiowych

Jądro komórkowe — centrum dowodzenia i magazyn DNA

Mitochondrium — elektrownia komórki i wytwarzanie energii

Chloroplast — fabryka cukru i zielony barwnik chlorofil

Wakuola (wodniczka) — magazyn wody i turgor komórki

Ściana komórkowa — ochrona i nadawanie kształtu komórce

Rybosomy, siateczka śródplazmatyczna i aparat Golgiego

Współpraca organelli w prawidłowym funkcjonowaniu komórki

Rozpoznawanie organelli komórkowych na schematach i zdjęciach

Podsumowanie wiedzy o strukturze i funkcjach komórki

Budowa i organella komórki

How Adding or Removing Parts Changes a System

How Water Cycles Through Earth's Systems

Comparing Light, Sound, Thermal, and Mechanical Energy

How Shapes and Parts Help Things Work

Factors That Cause Weather to Change

Systems, Energy, and Change in Science

Poziomy organizacji przyrody — osobnik, populacja, biocenoza, ekosystem, biosfera

Struktura troficzna ekosystemu — producenci, konsumenci i destruenci

Łańcuchy spasania i łańcuchy detrytusowe w przyrodzie

Sieci pokarmowe — zależności i skutki zakłócenia równowagi

Piramidy ekologiczne — liczebność, biomasa i energia

Zależności antagonistyczne — drapieżnictwo, roślinożerność i pasożytnictwo

Zależności nieantagonistyczne — mutualizm, komensalizm i symbioza

Obieg węgla i azotu w ekosystemie oraz rola destruentów

Ekologia, sieci pokarmowe i zależności w ekosystemie

Istota uwalniania energii w komórce — oddychanie komórkowe

Oddychanie tlenowe — substraty, produkty i lokalizacja

Równanie oddychania tlenowego — słowny i schematyczny opis

Czynniki wpływające na intensywność oddychania tlenowego

Doświadczenie: wydzielanie CO2 przez kiełkujące nasiona

Oddychanie tlenowe — uwalnianie energii w komórce

Fermentacja jako beztlenowe uzyskiwanie energii

Fermentacja alkoholowa u drożdży — substraty i produkty

Doświadczenie — wydzielanie dwutlenku węgla przez drożdże

Wpływ temperatury na aktywność fermentacyjną drożdży

Fermentacja mlekowa — bakterie mleczne, przetwory i mięśnie

Porównanie oddychania tlenowego i fermentacji

Zastosowanie fermentacji w przetwórstwie żywności

Fermentacja i jej znaczenie — energia bez tlenu

Finding Light Energy Examples in Daily Life

Finding Sound Energy Examples in Daily Life

Finding Thermal Energy Examples in Daily Life

Finding Mechanical Energy Examples in Daily Life

Sound Traveling Through Solids and Liquids

Forms of Energy Around Us

Praca prądu elektrycznego — wzór: W = U · I · t

Moc prądu elektrycznego — wzór: P = U · I oraz jednostka wat (W)

Wielokrotności mocy: kilowat (kW) i megawat (MW)

Inne postacie wzorów na moc i pracę: P = I² · R oraz P = U² / R

Jednostka pracy i energii (dżul) oraz jej wielokrotności i przeliczniki (kWh, eV)

Obliczenia kosztów zużycia energii elektrycznej w gospodarstwie domowym

Odczyt wskazań licznika energii elektrycznej

Praca, moc i zużycie energii elektrycznej

Przemiana energii elektrycznej w energię termiczną — prawo Joule'a-Lenza

Przemiana energii elektrycznej w energię mechaniczną — silnik elektryczny

Przemiana energii elektrycznej w energię promienistą, akustyczną i chemiczną

OGS.4.LS.4

Aligned learning resources

Related diagrams