You observe two populations of chimpanzees using sticks to dig termites out from nests for food. One population uses long sticks; the second population uses short sticks
Which of
the following observations would NOT support the hypothesis that the choice of stick length
is a learned behavior?
A. There are equal numbers of short and long
sticks in the environment of each population.
B. The population using long sticks has
mostly long sticks in its environment.
C. The chimpanzees using short sticks have
obtained them by breaking long sticks.
D. Young chimpanzees in both populations
start out using sticks of many different sizes.
E. Individuals that don't use the common stick
length for that population catch fewer
termites.
B
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