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MB 18.2
MB Chapter 18, Section 2
| Term | Definition |
|---|---|
| habitat | the place where an organism usually lives |
| biotic factor | an environmental factor that is associated with or results from the activities of living organisms |
| abiotic factor | an environmental factor that is not associated with the activities of living organisms |
| tolerance curve | a graph of performance versus values of an environmental variable, such as temperature |
| acclimation | an organism's change in response to a change in the organism's environment |
| conformer | an organism whose physiological reactions follow environmental changes |
| regulator | organisms that use energy to control some of their internal conditions |
| dormancy | a state in which seeds, spores, bulbs, and other reproductive organs stop growth and development and reduce their metabolism, especially respiration |
| migration | in general, any movement of individuals or populations from one location to another; specifically, a periodic group movement that is characteristic of a given population or species |
| niche | the unique position occupied by a species, both in terms of its physical use of its habitat and its function within an ecological community |
| generalist | a species that has a broad niche such that the species can tolerate a wide range of conditions and can use a variety of resources |
| specialist | an individual or a species that is adapted to a particular environmental factor or ecological niche and that can tolerate only a narrow range of conditions |
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simmonsr20
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