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biogeography 5th
| Question | Answer |
|---|---|
| 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 |
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