Interactions & Ecosystems
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What you'll learn
Food chains and food webs, energy flow and energy loss between levels, ecosystems and habitats, interdependence between organisms, and human impact on ecosystems.
- Producers make their own food
- Consumers eat other organisms for energy
- The arrow in a food chain shows energy flow
- A food web links many food chains together
- Energy is lost at every feeding level
- Ecosystems, habitats, and interdependence
- Human activity can disrupt ecosystems