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Vocab 18.2

Ecology of Organisms

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
Created by: GutzwillerL19



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