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Science Memes @mander.xyz Track_Shovel @slrpnk.net 4 days ago

Cold blooded

3 comments

Now I've got 3 questions,

Are there any warm blooded reptiles What evolved first, warm blood or cold blood Are there any warm blooded fish
- Yes
  
  Cold-blooded is the default, different forms of warm-bloodedness developed independently of one another
  
  Yes
  
  wow I really didn't understand what warm blooded actually meant, that's awesome. Thanks for the answers!