How many domains of life did the universal ancestor produce?
A) one
B) two
C) three
D) four
Correct Answer:
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Q52: Which chemical compound makes up 50 percent
Q53: Of the following,humans are most related to
A)cyano-bacteria.
B)methano-bacterium.
C)slime
Q54: Modern stromatolites are typically found in what
Q55: _ is a mineral found on the
Q56: Organisms can reduce global warming by
A)producing carbon
Q58: Cynaobacteria are an example of
A)photoautotrophs.
B)photoheterotrophs.
C)chemoauthotrophs.
D)chemoheterotrophs.
Q59: The distance from a star where a
Q60: Halophiles differ from thermophiles in that
A)halophiles thrive
Q61: What type of extremophiles are likely to
Q62: What is the one finding or assumption
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