
Public learning track
Hierarchical Organization and Human Body Systems
6th Grade · Science · Open Global Science
9 lessons
Goal
Analyze how cells, tissues, organs, and organ systems work together to sustain life in animals and humans.
Featured Diagrams
Levels of Biological Organization
9 lessons
0 of 9 done
- 1Levels of Biological OrganizationUp nextStart
- 2Nervous System: Brain, Spinal Cord, and NervesPremiumNot started yet
- 3Sensory Receptors and Stimulus-ResponseNot started yet
- 4Musculoskeletal System: Bones, Joints, and MusclesNot started yet
- 5Circulatory System: Heart, Blood Vessels, and BloodNot started yet
- 6Respiratory System: Breathing and Gas ExchangeNot started yet
- 7Digestive System: Organs, Enzymes, and AbsorptionNot started yet
- 8Excretory System: Kidneys and Waste RemovalNot started yet
- 9System Coordination During Exercise and RestNot started yet
Curriculum Framework
6th Grade · Science · Open Global Science
1
11 lessons
Cell Theory, Microscopy, and Membrane Transport
Explain cell theory, identify organelles under a microscope, and model passive and active transport across cell membranes.
2
9 lessons
Hierarchical Organization and Human Body Systems
Analyze how cells, tissues, organs, and organ systems work together to sustain life in animals and humans.
3
9 lessons
Human Growth, Puberty, and Health Science
Evaluate physical maturation, endocrine regulation, disease prevention, and the physiological effects of lifestyle decisions.
4
9 lessons
Plant Anatomy, Physiology, and Life Cycles
Investigate plant structures, vascular transport, photosynthesis, transpiration, and compare plant and animal life cycles.
5
9 lessons
Cellular Division, Reproduction, and Genetics
Compare modes of reproduction and cell division, and apply Mendelian principles to predict inheritance patterns.
6
9 lessons
Evolutionary Theories, Natural Selection, and Adaptations
Compare evolutionary mechanisms, explain how natural selection acts on genetic variation, and examine reasons for extinction.
7
11 lessons
Ecosystems, Biogeochemical Cycles, and Conservation
Model ecological energy transfer, biogeochemical cycling, food web interactions, and the critical importance of conservation units.