Some portions of DNA function as a kind of evolutionary clock when comparing two different species because _____.
A) portions of the DNA have no function
B) mutations accumulate at a known rate
C) changes to DNA always occur quickly and easily
D) organisms change their anatomy at a constant rate
E) no mechanism is available for removing mutations that are harmful
Correct Answer:
Verified
Q11: What inhibits fossilization of a dead organism?
A)
Q12: Which feature did Tiktaalik possess that were
Q13: Which of these is NOT used by
Q14: Which statement is NOT a reason why
Q15: Why is Tiktaalik considered a transitional fossil?
A)
Q17: Which scenario would be LEAST likely to
Q18: The Tiktaalik fossil,which dates back 375 million
Q19: Fossils are generally going to be more
Q20: Although all organisms share the same four
Q21: Every night when you put on your
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