PrepTest 104, Section 2, Question 19
Many birds that form flocks compete through aggressive(453 more words not shown)
According to the passage, which(15 more words not shown)
- AAlthough his research(16 more words not shown)
- BHe set out(9 more words not shown)
- CHe set out(9 more words not shown)
- DHe altered the(10 more words not shown)
- EHe advocated the(9 more words not shown)
Reading the passage
Rohwer supports the hypothesis. He says the Harris sparrow evidence confirms it. The writer then tells us that his data “do not support his assertions.” Keep those two views separate: what Rohwer claims and what his research actually establishes in the writer's assessment.
Working the answers
- A
We aren't told that the data are more relevant to other issues. Failing to confirm this hypothesis doesn't establish their comparative usefulness elsewhere.
- B
No revision by Rohwer is described. The writer criticizes his support for the hypothesis; Rohwer doesn't respond by changing it.
- C
This gets his starting position backward. He argues in favor of the hypothesis, not against it.
- D
Rohwer doesn't expand the hypothesis to cover additional kinds of signals.
- ECorrect
He advocated the hypothesis, but the evidence failed to confirm his claims. For example, his study within the same age group or sex produced 63 wins and 62 losses for darker birds—hardly the dominance his claim suggests.
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