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Chapter 18
Section 2
| Question | Answer |
|---|---|
| the place where an organism usually lives | habitat |
| an environmental factor that is associated with or results from the activities of living organisms | biotic factor |
| an environmental factor that is not associated with the activities of living organisms | abiotic factor |
| a graph of the performance of an organism versus the value of an environmental variable | tolerance curve |
| an organism's change in response to a change in the organism's environment | acclimation |
| an organism whose physiological reactions follow environmental changes | conformer |
| organisms that use energy to control some of their internal conditions | regulator |
| a state in which seeds, spores, bulbs, and other reproductive organs stop growth and development and reduce their metabolism, especially respiration | dormancy |
| 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 | migration |
| the unique position occupied by a species, both in terms of its physical use of its habitat and its function within an ecological community | niche |
| 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 | generalist |
| 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 | specialist |