A researcher hypothesizes that crocodile gender is determined by the incubation temperature of the egg. The hypothesis states that an average nest temperature of 32-33°C results in the birth of male crocodiles while cooler and higher incubation temperatures result in female crocodiles.What is a valid, testable prediction based on this hypothesis?
A. Male eggs will hatch at 32°C, while female eggs will not hatch at 32°C.
B. Male crocodiles will prefer temperatures of 32-33°C.
C. Male eggs will be more fragile than female eggs.
D. Incubation of any crocodile egg at 32°C, will result in a male crocodile.
E. Crocodiles arrange the gender of offspring by manipulating incubation temperatures.
Answer: D
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