PrepTest 105, Section 3, Question 2
Until recently, many biologists believed that invertebrate "schools"(448 more words not shown)
According to the passage, each(10 more words not shown)
- AThe number of(9 more words not shown)
- BA school's members(8 more words not shown)
- CA school's members(11 more words not shown)
- DThe individual members(10 more words not shown)
- EPopulation increase in(9 more words not shown)
Reading the passage
For this EXCEPT question, four choices should match characteristics we've been given. We want the one that doesn't. Check the ideas, not just familiar words: the answers can describe the same feature in different language.
Working the answers
- A
This is supported by the ending: conditions seem to determine a school’s best size (paragraph 5). External may initially seem questionable if we're thinking only about competition among members. But local food availability influences how many animals the group can support, and some leave when the optimal size is exceeded.
- BCorrect
The members avoid direct vertical alignment with neighboring animals (paragraph 2). B says they are arranged above and below one another—the opposite of the stated arrangement. That makes it the exception.
- C
The definition in paragraph 1 says members “face the same way.” That supports facing the same direction.
- D
That definition also says members are “evenly spaced.” Regular spacing is the same characteristic.
- E
As numbers rise, food may become scarce and females may produce “smaller clutches of eggs.” Fewer eggs supports reduced reproduction. The answer says population growth can have this effect, not that it always does.
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