Examine and explain how organisms modify their environments to sustain their needs.
Ecosystems and their Interactions
Explain the biotic and abiotic components of an ecosystem and their interaction.
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Analyze the relationships among components of an ecosystem.
Understand how biological diversity impacts the stability of an ecosystem.
Analyze the positive or negative impacts of outside influences on an ecosystem.
Describe how changes in physical and biological indicators (e.g., soil, plants, animals) of water systems reflect changes in these systems (e.g. changes in bloodworm populations reflect changes in pollution levels in streams).
Examine and explain what happens to an ecosystem as biological diversity changes.