hannamcbrayer1 hannamcbrayer1

02-02-2017
Biology

contestada

PLZ HELP!! WILL MARK!

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yashddsy26 yashddsy26

02-02-2017

Cetaceans are evolved from mammals ! Cetaceans are thought to have evolved during the Eocene or earlier, sharing a closest common ancestor with hippopotamuses.

They are descendents of Mammals !! And that four legged is hippo !!

So I think and sure of Mammals ....To be the answer !!

Answer Link

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