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Animal Behavior: Orientation and Navigation

Terms

Summary

Movement: Taxis and Kinesis

Endogenous  -  This general term refers to factors within a given organism rather than those external to that organism. Compare with Exogenous.
Exogenous  -  This general term refers to factors external to a given organism rather than those within that organism. Compare with Endogenous.
Kinesis  -  Random, undirected movement. Compare with Taxis.
Taxis  -  Movement whose direction is determined in relation to a stimulus. Compare with Kinesis.
Zeitgeber  -  An environmental agent (such as light or temperature) that entrains an individual's behavior to that environment. Zeitgeber is German for "time-giver."

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