PT117.S3.Q12 > Question

SECTION 1 · rc

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PASSAGE 4

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SECTION 3 · lr

SECTION 4 · lr

Some naturalists hypothesize that polar bears can navigate from unfamiliar territory to familiar areas across long distances. As support for this hypothesis, they reference a polar bear that returned home after it was released over 500 km away.

The stimulus defines navigation as finding a way from an unfamiliar territory to familiar areas, but in the example of the polar bear, we don’t know if the polar bear was released in unfamiliar territory. The naturalists assume that the polar bear was released in unfamiliar territory. They also assume that the polar bear didn’t receive any other assistance in making its way home.

The fact that the polar bear changed course several times doesn’t contradict the fact that the polar bear successfully made it home after being released 500 km away.

(B) weakens the argument because it shows that the polar bear did not meet one of the requirements of navigation: finding its way through unfamiliar territory. If the site at which the polar bear was released was familiar, then its actions don’t fit the definition of navigation.

The terrain through which an animal is navigating is not relevant to the argument; we only care about if the polar bear was navigating.

It doesn’t matter how many animals are capable of finding their way home across long distances. We only care about if the example cited by the naturalists is aligned with the definition of navigation.

The argument is concerned with whether or not the polar bear was navigating, not how it was able to do so. The fact that polar bears often use smell is not relevant.

PrepTest 117 - Section 3 - Question 12

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