What Fossil Evidence Supports the Hypothesis of Modification by Descent,or

Multiple Choice

What fossil evidence supports the hypothesis of modification by descent,or adaptation,of early Earth's bacteria?

A) the presence of distinct stromatolite morphologies and stromatolite formations in both lake and marine environments
B) cyanobacterium fossils,which have one of the earliest appearances in the fossil record
C) the presence on non-photosynthetic bacteria
D) the presence of spherical,rod-shaped,and spiral prokaryotes