The most ancient type of organisms on Earth originated:

A. 4,004 years ago

B. 7,200 years ago

C. 2 million years ago
D. 3.5 billion years ago
E. 13 billion years ago

Because they differ from all other living organisms by lacking a discrete nucleus and many other cell inclusions, Bacteria and Archaea are considered to be:
A.karyoki
B. prophasic
C. histrionic
D. prophylactic
E. prokaryotic

Which of the following is NOT true of horizontal (lateral) transfer of genetic information?
A. transfers genes from parent to progeny
B. increases genetic diversity
C. is important for inferring phylogeny
D. can produce large genetic change
E. occurs commonly in bacteria