In biology, a species (abbreviated sp., with the plural form species abbreviated spp.) is the basic unit of biological classification. Race refers to a person's physical characteristics, such as bone structure and skin, hair, or eye color. ... Your race is determined by how you look while your ethnicity is determined based on the social and cultural groups you belong to. Subrace, Noun, (plural subraces) (biology) A secondary or subsidiary race. (as in Cro-Magnons to Neanderthals).

Therefor: Humans are a species with many racial variants, often based on location the race originated and adapted to survive the local environment.

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