Ecology
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Created by:
amartin1976 on October 2, 2012
Description:
Ecology chapter 2
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16 terms
Terms | Definitions |
|---|---|
 ecology | the branch of biology concerned with the relations between organisms and their environment |
| organism | a living thing |
| population | all the members of one species in a particular area |
| community | all the different populations that live together in an area |
| ecosystem | a community and its abiotic environment |
| biosphere | the part of Earth where life exists |
| symbiosis | relationship in which two species live closely together |
| parasitism | A relationship between two organisms of different species where one benefits and the other is harmed |
| mutualism | a relationship between two species in which both species benefit |
| commensalism | a relationship between two species in which one species benefits and the other is neither helped nor harmed |
| niche | organism's role, or job, in its habitat |
| habitat | the area where an organism lives, including the biotic and abiotic factors that affect it |
| abiotic | nonliving, physical features of the environment, including air, water, sunlight, soil, temperature, and climate |
| biotic | living things |
| predator | animal that hunts and eats other animals |
| prey | animal hunted or caught for food |
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