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A taxis differs from a tropism (turning response, often plant growth towards or away from a stimulus) in that the organism has motility and shows movement towards or away from the stimulus source.
- Phototaxis: movement, usually towards light. Shown by many organisms, such as many flying insects.
- Chemotaxis: movement towards desirable chemicals, and away from unpleasant ones.
Even single-celled organisms can show taxis.
References[change | change source]
- Kendeigh S.C (1961). Animal ecology. Prentice-Hall, Englewood Cliffs N.J.
- Dusenbery, David B. 2009. Living at micro scale, Ch. 14. Harvard University Press, Cambridge, Mass. ISBN 978-0-674-03116-6