I realised that for some reason, I still don’t know this. Why do we have different skin colors, hair textures, eyes or such? Is it just a random thing that happened or are there evolutionary reasons to it?

  • MojoMcJojo@lemmy.world
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    1 day ago

    Could animals that are related but separated by vast distances be used as an example as well? Like the black swan, or even trees and crops?

    • rtxn@lemmy.world
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      1 day ago

      Elephants. African elephants have large ears to assist in maintaining their body temperature. Asian elephants that migrated farther north (India and S-E-Asia) evolved smaller ears because the evolutionary pressure wasn’t as significant.

      For comparison: African, Asian