<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    .mode-petals .group-sepals,
    .mode-petals .group-carpel,
    .mode-petals .group-stem,
    .mode-petals .callout-sepal {
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    }
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</head>
<body class="mode-overview">

  <nav class="nav-toggle" aria-label="Anatomical focus">
    <button class="btn-tab active" data-mode="overview">Overview</button>
    <button class="btn-tab" data-mode="petals">Petals</button>
    <button class="btn-tab" data-mode="sepals">Sepals</button>
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  <div class="svg-container">
    <svg viewBox="0 0 320 220" role="img" aria-label="Diagram of flower non-reproductive whorls">
      
      <g class="callout-petal">
        <line class="leader-line" x1="68" y1="42" x2="108" y2="72" />
        <circle class="callout-dot" cx="108" cy="72" r="2.5" />
        <text class="label-text" x="12" y="30">Petal <tspan class="sub-label">(Corolla)</tspan></text>
        <text class="sub-label" x="12" y="44">Attracts pollinators</text>
      </g>

      
      <g class="callout-sepal">
        <line class="leader-line" x1="250" y1="172" x2="202" y2="152" />
        <circle class="callout-dot" cx="202" cy="152" r="2.5" />
        <text class="label-text" x="254" y="168" text-anchor="start">Sepal <tspan class="sub-label">(Calyx)</tspan></text>
        <text class="sub-label" x="254" y="182" text-anchor="start">Protects young bud</text>
      </g>

      
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      <g class="group-carpel interactive-part">
        
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        <path d="M 168 170 C 188 174 222 164 218 138 C 202 148 180 160 166 166 Z" fill="#4ade80" stroke="#16a34a" stroke-width="1.75" />
      </g>
    </svg>
  </div>

  <div class="info-card">
    <p class="info-text" id="info-text">
      <strong>Outer Whorls:</strong> Non-reproductive petals and sepals protect internal structures and attract animal pollinators.
    </p>
  </div>

  <script>
    const descriptions = {
      overview: "<strong>Outer Whorls:</strong> Non-reproductive petals and sepals protect internal structures and attract animal pollinators.",
      petals: "<strong>Petals (Corolla):</strong> Brightly colored leaves that produce scents and nectar guides to attract pollinators.",
      sepals: "<strong>Sepals (Calyx):</strong> Tough, leaf-like outer structures that tightly encase and shield the flower bud before it blooms."
    };

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    const infoText = document.getElementById('info-text');
    const partPetals = document.getElementById('part-petals');
    const partSepals = document.getElementById('part-sepals');

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    });

    partPetals.addEventListener('click', () => setMode('petals'));
    partSepals.addEventListener('click', () => setMode('sepals'));
  </script>
</body>
</html>

Dissecting Flower Structures and Angiosperm Reproduction

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science

光合作用与植物生理探究实验

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动植物饲养繁殖与观察报告撰写

Seed and Fruit Anatomy: Embryo, Endosperm, and Dispersal

Experimental Factors Controlling Seed Germination

Mechanisms of Asexual Vegetative Propagation

Leaf Anatomy, Chloroplasts, and Gas Exchange Stomata

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Measuring Rates of Photosynthesis Under Varying Conditions

Plant Anatomy, Germination, and Photosynthesis Physiology

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种子萌发生理过程与发芽率测定统计

种子萌发条件与发芽率科学探究

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OGS.8.LS.4

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