Multiple Choice
According to this evolutionary tree,the archaea and eukaryotes last shared a common ancestor ________. 
A) 1) 0 billion years ago
B) 1) 75 billion years ago
C) 2) 5 billion years ago
D) 3) 5 billion years ago
Correct Answer:
Verified
Correct Answer:
Verified
Q18: All organisms that photosynthesize fit into which
Q36: Based on fossil evidence, eukaryotes evolved about
Q36: In the soil,some _ help to decompose
Q37: Approximately 10-15% of insect species harbor bacteria
Q40: A photoautotrophic unicellular organism with a shell
Q42: All of the following are true EXCEPT
Q43: Scientists hypothesize that disrupting our _ communities
Q44: Animal life underwent its greatest diversification during
Q45: Under ideal conditions,prokaryotes are capable of reproducing
Q46: _ is an example of bioremediation.<br>A)Cyanobacteria converting