Multiple Choice
Which of the following is not a basic, indisputable fact of evolution?
A) The earth is at least 4.5 billion years old.
B) Behavioral traits are selected based on fitness to the environment.
C) Some major life forms, such as the dinosaurs are now extinct.
D) Birds and mammals did not exist 250 million years ago.
Correct Answer:

Verified
Correct Answer:
Verified
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