PrepTest 127, Section 4, Question 12
Mechanisms for recognizing kin are found throughout the(466 more words not shown)
The passage most strongly supports(18 more words not shown)
- AIt is not(8 more words not shown)
- BIt is neither(11 more words not shown)
- CIt does not(14 more words not shown)
- DIt is rendered(12 more words not shown)
- EIt could not(11 more words not shown)
Reading the passage
What is the actual recognition procedure? The cannibals nip at other tadpoles before eating nonsiblings or releasing siblings. That gives us something concrete to work with. We know the nipping is part of the discrimination, but we shouldn't invent details about the senses involved or its success rate.
Working the answers
- ACorrect
A procedure involving nipping isn't based solely on looking. The inference is that something beyond visual cues is involved; we don't need to identify the exact cue or prove that vision plays no role.
- B
The account describes cannibals. It doesn't tell us that other tadpoles neither possess nor use the same ability.
- C
We aren't given a failure rate. Eating siblings when very hungry doesn't establish failure to recognize them; the proposed explanation is a different priority despite the relationship.
- D
The nipping procedure is described in tadpoles that have become carnivorous. Their physical change hasn't made recognition unnecessary.
- E
Nothing establishes that an entirely omnivorous species couldn't develop kin recognition. We haven't been given a rule restricting that ability to carnivores.
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