It is thought that eukaryotes probably originated about:
A) Four billion years ago
B) Two billion years ago
C) Four million years ago
D) Three billion years ago
E) Three million years ago
Correct Answer:
Verified
Q3: Ediacaran organisms:
A)Have been thought to be ferns,
Q4: Carl Woese named an ancient aggregate of
Q5: Evidence supporting the idea that mitochondria and
Q6: The last shared ancestor for today's cell
Q6: Photosynthesis probably originated during the _ eon
Q7: Which scientist is given credit for proposing
Q9: Which of the following were found in
Q11: Clues from geology and paleontology suggest that
Q12: Ediacaran organisms lived during the:
A)Precambrian period
B)Cambrian period
C)Devonian
Q13: The "Cambrian explosion" refers to:
A)The mass extinction
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