Which describes a group of organisms that are members of a species?

They can breed and produce offspring that can breed.

Explanation:

The options you were given are the following:

A species can be defined as a group of similar organisms that can reproduce and produce offspring that can produce as well. This is why the first option is the correct one.

In ecology, the term community refers to a group of populations of two or more different species that inhabit the same area. More than one species can be found in a biome and ecosystem as well, which is why the second and third options are incorrect.

Some organisms can look very similar but belong to different species. This is why the fourth option is not correct, either.

as many times as you want

the answer to your question is:

c. complementary base-pairing