Multiple choice

Species is

  1. Specific unit of evolution

  2. Specific unit in the evolutionary history of a race

  3. Specific class of evolution

  4. Not related to evolution
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A Correct answer
Explanation

A single evolutionary lineage of organisms within which genes can be shared, and that maintains its integrity with respect to other lineages through both time and space. At some point in the evolution of such a group, some members may diverge from the main population and evolve into a subspecies, a process that may eventually lead to the formation of a new species if isolation (geographical or ecological) is maintained. The process through which species are formed by evolution is called speciation.

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