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Q&A Is it possible for a species to have more than two sexes?

Every species I'm aware of on earth has two sexes (with the possible exception of species which change their sexes to allow self fertilization). Is it possible for a species to evolve which could ...

18 answers  ·  posted 10y ago by Liath‭  ·  last activity 8y ago by Liath‭

Question biology evolution creature-design reproduction