Public learning track
Ecosystems, Energy Flow, and Living Relationships
3rd Grade · Science · Open Global Science
8 lessons
Goal
Investigate terrestrial and aquatic habitats, construct food webs, and analyze interactions including symbiosis, predation, and camouflage.
Featured Diagrams
Exploring Habitats: Forests, Meadows, and Wetlands
8 lessons
0 of 8 done
- 1Exploring Habitats: Forests, Meadows, and WetlandsUp nextStart
- 2Aquatic and Marine EcosystemsPremiumNot started yet
- 3Ecosystem Roles: Producers, Consumers, DecomposersNot started yet
- 4Building Food Chains From Producers to ConsumersNot started yet
- 5Food Webs and Energy Transfer in EcosystemsNot started yet
- 6Predator-Prey Relationships, Herbivory, and CompetitionNot started yet
- 7Symbiosis: Mutualism, Parasitism, and CommensalismNot started yet
- 8Camouflage and Mimicry: Survival in NatureNot started yet
Curriculum Framework
3rd Grade · Science · Open Global Science
1
7 lessons
Cells and the Five Kingdoms of Life
Identify cells as the foundational units of life, explain biological organization from cells to organisms, and distinguish among the major kingdoms.
2
8 lessons
Plant Structures, Transport, and Reproduction
Analyze plant anatomy, internal vascular transport, growth needs, and reproductive cycles in flowering and non-flowering plants.
3
4 lessons
Fungi, Mushrooms, and Decomposers
Examine fungal structure, nutritional strategies, mushroom identification safety, and the essential role of decomposers in nutrient cycles.
4
6 lessons
Animal Diversity, Adaptations, and Diets
Classify invertebrates and vertebrates, compare dietary adaptations, life cycles, and thermoregulation mechanisms.
5
9 lessons
Human Body Systems and Mechanics
Explain the major structures, biomechanics, and physiological functions of human body systems.
6
8 lessons
Ecosystems, Energy Flow, and Living Relationships
Investigate terrestrial and aquatic habitats, construct food webs, and analyze interactions including symbiosis, predation, and camouflage.
7
5 lessons
Heredity, Genes, and Environmental Traits
Explain how genetic material carries inherited traits across generations, contrast cell division types, and analyze gene-environment interactions.