> Then why do biologists distinguish subspecies of other animals? They do, when there are things that seem to be subspecies, they don't do it just because ther

> Then why do biologists distinguish subspecies of other animals? They do, when there are things that seem to be subspecies, they don't do it just because there is an arbitrary requirement for every species to have subspecies. There's been dispute about whether various archaic human groups were separate species or subspecies, and if what we now call modern humans weren't the only ones still around, that might be a more acute debate and might be resolved in favor of subspecies, but the others aren't still around, so...