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Parallelism is (a) adaptive divergence (b) adaptive divergence of widely separated species (c) adaptive convergence of...

Parallelism is

(a) adaptive divergence

(b) adaptive divergence of widely separated species

(c) adaptive convergence of widely different species

(d) adaptive convergence of closely related groups.

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Answer #1

Answer. (d) adaptive convergence of closely related groups

Explanation.

Development of similar adaptive functional structures in unrelated groups of organisms is called adaptive convergence or convergent evolution e.g. wings of insect, bird and bat show marked convergent evolution. When convergent evolution is found in closely related species, it is called “Parallel evolution”. Example: development of running habit in deer (2-toed) and horse (1-toed) with two vestigial splint bones.

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