Question

Which of the following sets of data provides evidence that best supports common ancestry for organisms in all three domains?

A. There are autotrophic and heterotrophic organisms found in Bacteria, Archaea, and Eukarya.
B. There is a progression of pathways in organisms found in Bacteria, Archaea, and Eukarya.
C. Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA.
D. There is a progression of cellular organization in organisms found in Bacteria, Archaea, and Eukarya.

Answer 1

The answer to your question is C

Answer 2

All life can be classified into three domains: Bacteria, Archaea, and Eukarya. Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA.

The answer will be option C.