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MB 18.2

MB Chapter 18, Section 2

TermDefinition
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
Created by: simmonsr20