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Ecology
| Question | Answer |
|---|---|
| producer | an organism that can make its own food |
| consumer | organism that obtains energy by feeding on other organisms |
| herbivores | consumers that eat only plants |
| carnivores | consumers that eat only animals |
| omnivores | consumers that eat both plants and animals |
| scavenger | a carnivore that feeds on the bodies of dead organisms |
| decomposers | break down biotic wastes and dead organisms and return the raw materials to the ecosystem |
| food chain | a series of events in which one organism eats another and obtains energy |
| food web | consists of many overlapping food chains in an ecosystem |
| energy pyramid | shows the amount of energy that moves from one feeding level to another in a food web |
| producer level | where most energy is available in a food pyramid |
| first-level consumers | organisms that feed directly on producers |
| second-level consumers | organisms that eat the first-level consumers |
| third-level consumers | organisms that eat the second-level consumers |
| ecosystem | the community of organisms that live in a particular area, along with their nonliving environment |
| sunlight | how energy enters most ecosystems |
Created by:
kmsew
Popular Ecology sets