Based on DNA studies, it seems that all life on Earth
A. belongs to one of just two kingdoms: plants and animals.
B. arose from one of five distinct ancestors that lived about two billion years ago.
C. requires oxygen to survive.
D. shares a common ancestor.
Answer:D
Based on DNA studies, it seems that all life on Earth
A. belongs to one of just two kingdoms: plants and animals. B. arose from one of five distinct ancestors that lived about two billion years ago. C. requires oxygen to survive. D. shares a common ancestor.