Which of the following is not key evidence in support of the idea that all life today shares a common ancestor?
A)We have identified fossils of the first life forms that ever existed on Earth.
B)All life uses DNA and the same genetic code.
C)Mapping of gene sequences shows how life is all related.
D)All life builds proteins from the same amino acids and uses ATP to store energy in cells.

Question

Quizplus · Accepted Answer

The fact that we have identified fossils of the first life forms does not necessarily support the idea that all life today shares a common ancestor. Fossils provide evidence of past life but do not necessarily relate to the common ancestry of all life today.

Which of the Following Is Not Key Evidence in Support