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Q&A How long would it take for a new intelligent species to evolve if humans disappeared?

If all humans (but no other species) just suddenly disappeared, leaving all of their structures standing, how long would it take for an intelligent species as dominant as the humans to evolve? Woul...

19 answers  ·  posted 10y ago by Beta Decay‭  ·  last activity 7y ago by Beta Decay‭

Question biology evolution humans