Which organism does not have a double loop circulatory system A) bird B)fish C) human D) dog

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asked Mar 18, 2017 13.1k views

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Justin MacLeod · Answer 1 · 2017-03-21T23:54:49+0000

Well double loop circulatory systems are present in mammals and bird if I remember correctly, since fish is the only animal that is that a mammal or a bird that would be the answer, B.

Which organism does not have a double loop circulatory system A) bird B)fish C) human D) dog

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