The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hear

Question

3 years ago

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The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hear

ts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The four-chambered hearts of birds and mammals are best described as ___________.

Biology

1 answer:

boyakko [2] · Answer 1 · 2022-01-22T07:17:51+03:00

boyakko [2]3 years ago

8 0

Answer:

Homopalsies

Explanation:

They are the chambers in a mammal and it means a character with shared parts of the body as another speices