When primatologist Akira Suzuki began studying snow monkeys in the 1950s, he found that they often roamed out of the mountains to feed in apple orchards. After a decade of observing this behavior, Suzuki began to feed the monkeys in their mountain habitat by providing them with soybeans to eat. The monkeys The population today is 270 snow monkeys and is expected to continue growing.
What this question is testing
Anticipate
The cleanest pattern in the stimulus is the before-and-after: monkeys went to orchards before, and stopped going once Suzuki put soybeans in their mountain habitat.
Evidence
That sequence tells us a lot. The monkeys' trips out of the mountains looked like food-seeking — and once food was easy to get at home, the trips stopped.
Goal
Find the answer that follows from this: the monkeys leave the mountain when food is scarce there, and stay home when it is plentiful.
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