_____, which probably evolved from infoldings of the plasma membrane, first appear in the fossil record about 1.8 million years ago.
A) Eukaryotes
B) Archaea
C) Plants
D) Bacteria
E) Photosynthesizers
Correct Answer:
Verified
Q1: _ are likely to provide hints about
Q2: _ may have been a source of
Q4: It is hypothesized that _ may have
Q5: The earliest cells most likely _.
A) were
Q6: Scientists hypothesize that _ served as a
Q7: Humans acquire their first microorganisms during _.
A)
Q8: Scientific evidence suggests that Earth had cooled
Q9: Until the early 1800s, scientists believed that
Q10: The appearance of _ on Earth due
Q11: Experiments like those performed by Stanley Miller
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