Saltation (biology)
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In biology, saltation (from Latin, saltus, "leap") is a sudden and large mutational change from one generation to the next, potentially causing single-step speciation. This was historically offered as an alternative to Darwinism. Some forms of mutationism were effectively saltationist, implying large discontinuous jumps.
Speciation, such as by polyploidy in plants, can sometimes be achieved in a single and in evolutionary terms sudden step. Evidence exists for various forms of saltation in a variety of organisms.
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See also
- Catastrophism
- Phyletic gradualism
- Rapid modes of evolution
- Leo S. Berg
- History of evolutionary thought
- Eclipse of Darwinism
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