-Fossils of ancient organisms are found in deep layers of rock, while the fossils of more recent organisms are found in shallower layers. Which two groups' common ancestor would be found in relatively shallow fossils?
A) protists and bacteria B) fungi and archaea C) animals and plants D) plants and protists
In what way is a member of domain Archaea similar to a member of domain Bacteria?
A) They are both photosynthetic. B) They both live in extreme environments. C) They both have DNA enclosed in a nucleus. D) They are both prokaryotic cells.