This category contains all creatures, (sentient, non-sentient, native, extra-terrestrial, etc.) that have been classified or described as a large population of similar creatures. This is to say that they share a single, unique, evolving gene pool.
This therefore excludes the following:
- Mutants, which are genetic or unnatural aberrations of a member or small number of a species
- Biological experiments, which are intentional modifications of a member of a species by a willful agent
- Hybrids, which derive their genes from two separate gene pools of two different species
These species have been described using the archaic term "race", but are better described with a contemporary term based in biology and genetics.
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