The history of life on earth spans nearly
A) 100,000 years.
B) 500,000 years.
C) 100 million years
D) 1 billion years.
E) 4 billion years.
Correct Answer:
Verified
Q1: Darwin's observations led to his proposal that
Q11: Thomas Malthus proposed that
A) the food supply
Q12: Modern humans evolved approximately _ years ago.
A)
Q13: Macroevolution is change among
A) groups of species.
B)
Q14: The exact same genotype is seen only
Q15: Natural selection operates to produce changes in
A)
Q17: Which of the following evolve?
A) populations
B) genera
C)
Q19: Microevolution is the result of all of
Q20: Our ancestors most likely came from
A) southern
Q21: The introduction of a small population onto
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