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Chapter 2 Science
Lesson 1 Energy Flow in Ecosystems
| Term | Definition |
|---|---|
| Producer | an organism that can make its own food |
| Consumer | an organism that obtains energy by feeding on other organisms |
| Herbivore | a consumer that obtains energy by eating only plants |
| Carnivore | a consumer that obtains energy by eating only animals |
| Omnivoer | a consumer that obtains energy by eating both plants and animals |
| Scavenger | a carnivore that feeds on the bodies of dead or decaying organisms |
| Decomposer | an organism that gets energy by breaking down biotic wastes and dead organisms, and returns raw materials to the soil and water |
| Food Chain | a series of events in an ecosystem in which organisms transfer energy by eating and by being eaten |
| Food Web | the pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem |
| Energy Pyramid | a diagram that shows the amount of energy that moves from one feeding level to another in a food web |