hannamcbrayer1
hannamcbrayer1 hannamcbrayer1
  • 02-02-2017
  • Biology
contestada

PLZ HELP!! WILL MARK!

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yashddsy26
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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