PrepTest 139 - Section 2 - Passage 2 - Question 10

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Passage A.

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Phenomenon · Honeybees can recruit nestmates to food source

How do they do it?

Hypothesis · By "dancing"

Note that the passage explicitly says that Aristotle didn't make this connection. He merely noted that honeybees "dance" for their nestmates but did not hypothesize that the "dance" was the means of communication.

Evidence · Dance deciphered

von Frisch figured out how to read the dance and was able to locate where food was.

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Questions · What's the mechanism?

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Hypothesis · Wing vibrations

This would explain how bees can communicate in darkness but scientists (mistakenly) thought bees lacked hearing so this hypothesis was not taken seriously.

Hypothesis · Smell

Counter Evidence · For smell hypothesis

Bees can send other bees to new locations which shouldn't be possible if ordor was the means of communication.

Evidence · For wing vibration hypothesis

Bee robot could effectively simulate dance through sounds

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Context · All animals communicate

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Main Point · But only some communicate symbolically

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Example · Vervet monkeys

Experiment demonstrated that they have different alarm calls for snakes versus eagles.

Example · Honeybees

Their dance is symbolically represents distance, direction, and quality of food source.

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Example · Bees ignore some communications, suggesting symbolic communication

Experiment revealed that bees ignored dances that communicated information about presence of food in unlikely sources suggesting that communication in bees is symbolic and has a level of interpretation.

Passage Style

10.

Which one of the following ██████████ ██ ████ ████████ █████████ ██ ███████ █████████ ██ ████████ ██ ███ ███ █████████

Question Type

Implied

This Inference question asks for a statement that is supported by Gould’s research in the passages. This question doesn’t ask for a statement that is necessarily supported by both passages independently, so we will approach this question after reading both passages.

In passage A, Gould’s research is cited in P3. In passage B, Gould’s research is mentioned in P6.

When a forager ████████ ████ ███ ███████████ █████████ ███████████ ██ ███ ██████████ ████ ████ █████ █████████ ███ █████████ ██████████ ███ ██ ██ █████ ██ █████ ███ █████████

Gould’s research in passage A suggests that olfactory information is not necessary, so (A) isn’t supported by passage A. Gould’s research in passage B doesn’t mention olfactory information at all, so we can eliminate (A).

Forager honeybees instinctively ████ █████ ███████████ ███████ ███████ ████ ███ ████ ███ ████████ █████ █████████ ██ ███ █████ ███████

Passage A doesn’t indicate that Gould’s research supports this claim, so (B) isn’t supported by passage A.

Passage B shows an example where Gould’s research showed that forager honeybees dispatched their nestmates to the middle of a lake, which is a place where pollinating flowers don’t grow. It was the other bees that didn’t follow this direction, but the forager bees did dispatch their nestmates to this location.

Neither passage indicates that Gould’s research supports this claim, so we can eliminate (B).

11%

Only experienced forager █████████ ███ ████ ██ ██████ ███ ████ ████ ████████

Neither passage indicates that only experienced forager bees can locate the best food sources. Gould’s research as cited in the passages doesn’t distinguish between experienced and inexperienced forager bees.

A forager's dances ███ ████ █████ █████████ ██ █████ ████ ███ ███████ ███ ███ ███████ ███ ███ ████ ██ ████ █████ █████████ ██ █████ ████ ███ ███████ ███ ████████

Gould’s research in passage A indicates that forager bee dances can send honeybees to sites that the forager hasn’t visited. Gould’s research in passage B shows that forager bee dances can fail to send honeybees to sites the forager has visited. (D) is supported by the information in the passages.

81%

Forager honeybees can ███████████ ████ █████ █████████ █████ █ █████ ██████████ ████ ██████ ██ ███████ █ █████ ████ ███ ████ ██████ ██ ███ ████████ █████

Neither passage says that Gould’s research indicates that forager bees can communicate by leaving a trail, so the passages don’t support (E).

PrepTest 139 - Section 2 - Passage 2 - Question 10

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