Question

Two animals are considered members of different species if they __________.

a. look different
b. cannot mate and produce viable, fertile offspring
c. live in different habitats are geographically
d. isolated are members of different populations

Answer 1

The correct answer is b. cannot mate and produce viable, fertile offspring

Step-by-step explanation:

According to the biological species concept, the population of organisms that interbreed with each other and produce viable and fertile offspring is considered as a species.

This means the member of species can interbreed with each other which results in viable and reproductively healthy offspring. So if two animals are not able to mate and produce viable and fertile offspring than those animals are not considered as the same species. Therefore the correct answer is b.