What Defines A Group Of Interbreeding Individuals That Are Reproductively Isolated From Other Such Groups?

What Defines A Group Of Interbreeding Individuals That Are Reproductively Isolated From Other Such Groups? Biological species– Biological Species are a group of interbreeding natural populations that are reproductively isolated from other such groups. Species are simultaneously a reproductive community, a gene pool, and a genetic system. What is a group of interbreeding individuals called?