preadaptation

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preadaptation

(prē′ăd-ăp-tā′shən, -əp-)
n.
1. A characteristic of an ancestral species or population that serves an adaptive though different function in a descendant species or population.
2. The ability of a characteristic to assume a new biological function without evolutionary modification.

preadaptation

the possession by an organism of characteristics that permit a move into a new NICHE or habitat.