maddiewatts3782 maddiewatts3782
  • 04-07-2018
  • Biology
contestada

Which trait evolved first, lungs or hair? explain how you know?

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kjohnben kjohnben
  • 13-07-2018

Lung evolved long before  hair


Lungs evolved along fish which preceded land mammalian animals that have hair in their body. According to the theory of evolution, Vertabraes evolved from fish,several million years ago. Fish have lungs but do not ahve hair, but all mammals have hair and lungs.

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