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.

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asked Jan 7, 2017 64.9k views

3 votes

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.

Biology
high-school

Lubo Antonov asked

by Lubo Antonov

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1 Answer

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

Gerasimos answered Jan 14, 2017

by Gerasimos

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