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Chapter 2

Ecosystems and Biomes

Producer a organism that can make it's own food
Consumer an organism that obtains energy by feeding in other organisms
Carnivore consumers that eat only meat
Herbivore consumers that eat only plants
Scavengers a carnivore that feeds on the bodies of dead organisms
Omnivore a consumer that eats both plants and animals
Decomposer Decomposers break down wastes and dead organisms and return raw materials to the ecosystem
Food Chain a series of changes in witch one organism eats another and obtains food
Food Web consists of many interconnected food chains
Energy Pyramid A diagram that shows the amount of energy that moves from one feeding level to another in a food web
Water Cycle The continuous process by which water moves from the earth's surface to the atmosphere and back
Condensation the process by which a gas changes to a liquid
Precipitation When the liquid falls to the ground as Rain, Snow, Sleet, and Hail
nitrogen fixation the process of changing free nitrogen into a useable form of nitrogen
Created by: bastet1245