Wednesday, January 30, 2019

another one for the summer

The animals usually have one hair for the winter and another one for the summer, and they change it with the changes of season. And in the case of those animals adapted to warm climates, the evolutionary solution has been to lose those unnecessary hairs Princess Hair.

There remains a key question in the air, in the style of the classic egg and chicken question: what came first, homeothermy (ability to maintain constant temperature) or the presence of hairs? The same in the case of pens, by the way.

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