Multiple Choice
For many years,no one bothered to test the food-competition hypothesis for why giraffes have long necks.Why?
A) Technically it was much too difficult until recently.
B) The hypothesis was so plausible that no one thought to question it.
C) They tried,but the results were inconclusive.
D) The hypothesis doesn't make any clear predictions that can be tested.
Correct Answer:

Verified
Correct Answer:
Verified
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