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18.2 terms

abiotic factor an environmental factor that is not associated with activities of living organisms
acclimation an organism's change in response to a change in the organism's environment
biotic factor an environmental factor that is associated with or results from the activities of living organisms
conformer organisms that do not regulate their internal conditions; they change with their external environment
dormancy a state in which seeds, spores, bulbs, and other reproductive organs stop growth and development and reduce their metabolism, especially respiration
generalist species with broad niches; can tolerate a range of conditions and use a variety of resources
habitat the place where an organism usually lives
migration in general, any movement of individuals or populations from one location to another; specifically, a periodic movement that is characteristic of a population or species
niche the unique position occupied by a species, both in terms of physical use of its habitat and its function within an ecological system
regulator organisms that use energy to control some of their internal conditions
specialist species that have narrow niches
tolerance curve a graph of the performance of an organism versus the value of an environmental variable
Created by: Addaleigh