Question

Choose the correct answers from the alternatives given.
The biological definition of a species depends on

• A. differences in the adaptations of two groups of organisms
• B. reproductive isolation of two groups of organisms
• C. anatomical and developmental differences between two groups of organisms
• D. geographic distribution of two groups of organisms

Answer 1

Answer: (B)

Species a group of closely related organisms that are very similar to each other and are usually capable of interbreeding and producing fertile offspring. In reproductive isolation refers to the inability of related species to breed. In species, the only same member of an organism can interbreed due to reproductive isolation.

So the correct option is B, reproductive isolation of two groups of organisms.