The first cell on Earth was remarkable because it
A) was quite frugal in using chemical resources.
B) developed effective defense mechanisms.
C) probably contained the same essential amino acids of cells today.
D) required tenacity to seek out the organic molecules it needed to survive and replicate.
E) all of these are correct
Correct Answer:
Verified
Q2: What piece of evidence do scientists now
Q3: The Cambrian explosion indicates
A) the asteroid strike
Q4: What was the negative role that sunlight
Q5: The window of opportunity, during which life
Q6: Current scientific debates about evolution concern everything
Q7: Which of the following is a member
Q8: What may have been the function of
Q9: Which of the following gases were in
Q10: What is Darwin's "measure of success" in
Q11: According to research groups in several disciplines,
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