Multiple Choice
Scientists estimate that the fossils found so far represent probably ____ of all species that have ever lived.
A) 1%
B) 25%
C) 40%
D) 60%
E) 75%
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q4: Most of the earth's species of flowering
Q11: Scientists use _ to alter an organism's
Q73: Compounds in secretions from the skin of
Q82: Under rapidly changing environmental conditions,_ usually have
Q83: Evolution by natural selection involves a grand
Q86: Clearly explain how large-scale mass extinctions can
Q88: Some genetic mutations occur from exposure to
Q89: Humans evolved from _.<br>A) apes<br>B) monkeys<br>C) chimpanzees<br>D)
Q91: In 1957,Brazil imported wild African honeybees to
Q92: Species with broad niches are described as