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Vocab 18.2
Ecology of Organisms
Term | Definition |
---|---|
Habitat | The place where an organisms 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 the performance of an organisms versus the value of an environmental variable |
Acclimation | An organism's change in response to a change in the organism's environment |
Conformer | Organisms that do not regulate their internal conditions; they change as their external environment changes |
Regulator | organisms that use energy to control some of their internal conditions; can keep an internal condition within the optimal range over a wide variety of environmental 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 |
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 | Species with broad niches; they can tolerate a range of conditions and use a variety of resources |
Specialist | species that have narrow niches |