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biogeography 5th

biogeography the study of where organisms live
continental drift as the plates move, continents move with them
dispersal the movement of organisms from one plate to another
exotic species an organism that is carried into a new location by people
climate the typical weather pattern in an area over a long period of time
water cycle is the continuous process by which water moves from earths surface to the atmosphere and back
evaporation the process by which molecules of liquid water absorb energy and change to a gas
condensation the process by which a gas changes to a liquid
precipitation heavy drops of water falling to the earth
nitrogen fixaion the process of changing free nitrogen into usable form of nitrogen
producer an organism that can make its own food
consumer an organism that obtains energy by feeding on other organism
herbivores consumers that eat only plants
carnivores consumers that eat only animals
omnivores consumers that eat both plants and animals
scavenger is a carnivore that feeds on the bodies of dead organisms
decomposers break down wastes and dead organisms and return the raw materials to the ecosystem
food chain is a series of events in which one organism eats another and obtains energy
food web consists of the 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
Created by: apetosa