How many anatomical characteristics do Cetaceans share with Mammals?

Anatomy suggests that Cetaceans are more closely related to mammals than fish since they share more similarities with the mammals, such as a 4-chambered heart and lungs. What does anatomy say about the ancestry of Cetaceans?

Explanation:

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archaebacteria are found in in forest soil.

hope i spelled it right lol

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-lavira: )

i think the answer is g1

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-lavira: )