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jessakaCasRamonson
jessakaCasRamonson jessakaCasRamonson
  • 14-06-2016
  • Biology
Answered

One adaptation that is unique to marine mammals is they


can slow their heart beat down.


are warm-blooded.


breathe air through their lungs.


nurse their young.

Verified Answer :

oopsydaisy
oopsydaisy oopsydaisy
  • 25-06-2016

Out of the choices given, one adaptation that is unique to marine mammals is they can slow their own heartbeat down.

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