“A” is ________; “B” is ________.
A. the most recent species to evolve on Earth; an ancestor of group “A”
B. the most recent species to evolve on Earth; the last common ancestor of Archaea and Eukarya
C. the common ancestor of all life; the common ancestor of Bacteria and Archaea
D. the common ancestor of all life; the last common ancestor of Archaea and Eukarya
Answer:D
“A” is ________; “B” is ________.
A. the most recent species to evolve on Earth; an ancestor of group “A” B. the most recent species to evolve on Earth; the last common ancestor of Archaea and Eukarya C. the common ancestor of all life; the common ancestor of Bacteria and Archaea D. the common ancestor of all life; the last common ancestor of Archaea and Eukarya