Question

Biological species are kept separate from closely related species inhabiting the same geographical region by reproductive isolating mechanism, which is called as____________.

• A. Phenetic concept
• B. Phylogenetic concept
• C. Biological species concept
• D. None of these

Answer 1

The correct option is C Biological species concept

The reproductive characteristics which prevent species from fusing is the isolating mechanisms. Isolating mechanisms are particularly important in the biological species concept, in which species of sexual organisms are defined by reproductive isolation, i.e., a lack of gene mixture.