Given the Phylogeny of Extant and Extinct Cetaceans Below, Which

question 19

Multiple Choice

Given the phylogeny of extant and extinct cetaceans below, which of the following conclusions is correct? ​

• A) The hippopotamus belongs to the cetacean group.
• B) The traits present in modern cetaceans appeared quickly and de novo.
• C) All living cetaceans have completely lost their hind feet.
• D) The hippopotamus belongs to the cetacean group and all living cetaceans have completely lost their hind feet.
• E) None of the given choices are correct.

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