Question

The biological concept of species is mainly based on

• A. morphological features
• B. morphology and method of reproduction
• C. method of reproduction only
• D. reproductive isolation

Answer 1

The correct option is D reproductive isolation

The biological species concept says that organisms considered under the same species those can potentially interbreed to produce fertile offspring. It groups the individuals based on their reproductive isolation, which maintains the morphological differences among the reproductively isolated individuals of the same habitat. It is not based on methods of reproduction. So, the correct option is d.