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Food chains and web
Term | Definition |
---|---|
Food chain | A series of organisms in which each feeds on the one at the next lower trophic level. |
Trophic level | An energy level or feeding level in an ecosystem. |
Energy pyramid | A diagram that shows the energy flow between organisms in an ecosystem. |
Apex predator (consumer) | The predator at the top of the food chain who has no natural predators. |
Food webs | All of the food chains in an ecosystem and how they are interconnected. |
Aquatic ecosystem | An ecosystem in and around a body of water. |
Terrestrial ecosystem | A land-based ecosystem |