Branches on the Evolutionary Tree Are Sometimes Rearranged by Scientists

question 15

Multiple Choice

Branches on the evolutionary tree are sometimes rearranged by scientists because

• A)new,related fossils or new information about existing fossils changes the understanding of the relationships.
• B)new,unrelated fossils are intentionally put on the tree with existing fossils.
• C)scientists are trying to prove a nonexistent relationship between species.
• D)scientists have definitely proven a relationship between two or more species.

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