Why do humans use running shoes, winter boots, snowshoes, skis and flippers? Why are these not biological adaptations? Use animals as examples.

4 answers

I don't use any of these. But I don't run, swim, or go out on the snow. I don't need these things.
I do not understand
Why do fish have flippers?
Why are polar bears white?
Why do horses have hard hoofs?
Why do some rabbits (showshoe hares) have wide feet?
this is for science and i can not answer this plz help