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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 |