There are many different species of mostly the same animal… That differ only in the slightest details…
But humans despite evolving separately for a very long time are still the same species regardless of the race.
In: Biology
There used to be different human species. Ours outcompeted them and they died out. The humans that exist now have only been diverging for no more than 90,000 years, and still interbreeding with each other for a significant chunk of that time, with the exception of certain isolated groups. There hasn’t been enough time or opportunity for Homo Sapiens to split off into multiple species.
It’s not the slight external details that mark a species but genetic or physical incompatibility with other groups. Those happen over a long time and can partially depend on the luck of the draw.
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