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Why do different animals have different body temperatures. For example, humans have 37°C, while dogs have 39°C.

Presumably we have ancestors whose temperature differs from ours. Why would it change over time?

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  • $\begingroup$ Because certain species adapt to different conditions by lowering and increasing temperature. Thanks, accept my answer if it helps. $\endgroup$
    – PCM
    Sep 7 '21 at 6:40
  • $\begingroup$ You get pestered by different microbes at each temperature too $\endgroup$ Sep 8 '21 at 10:06

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