this post was submitted on 25 Feb 2024
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evolution (mander.xyz)
submitted 8 months ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 8 points 8 months ago (1 children)

Arctic deserts are also a thing (e.g. Iceland). The similarities tell the whole story:

  • Poor access to liquid water
  • Need to insulate body from temperature extremes, wind
  • Food sources are sporadically available at best
  • Need to minimize contact with ground or insulate feet

This is not to suggest that polar bears are similarly adapted to the Sahara. Rather, it's not a huge shift, but it's still a change.

[โ€“] [email protected] 3 points 8 months ago

in a similar vein rainforests do not have to be tropical, there are several temperate rainforests in europe of which the southwestern norwegian coast is apparently one