Multiple Choice
Imagine that you traveled back in time and searched the early Earth for signs of life. You would MOST likely find early microorganisms:
A) at the polar caps.
B) in the soil at the equator.
C) floating in the atmosphere.
D) near hydrothermal vents in the ocean.
E) in temperate, freshwater lakes.
Correct Answer:

Verified
Correct Answer:
Verified
Q7: Stromatolites are not the only rocks that
Q8: Consider the chemical reactions of the sulfur
Q9: Which of the following statements is TRUE
Q10: Archaeons are often found in environments where
Q11: Which is NOT a difference between anoxygenic
Q13: As many bacterial molecular sequences evolve quickly
Q14: Which of the following statements is TRUE
Q15: Molecular phylogenies can be reconstructed for both
Q16: Cyanobacteria are the most diverse group of
Q17: Which of the following are "usable" forms