Flash Cards

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

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