A species is a group of similar organisms that can interbreed with each other to make healthy, fertile offspring. For instance, all humans belong to the same species, Homo sapiens. Domestic dogs are also a species, Canis familiaris.
A species is a group of similar organisms that can interbreed with each other to make healthy, fertile offspring. For instance, all humans belong to the same species, Homo sapiens. Domestic dogs are also a species, Canis familiaris.