PrepTest 104, Section 2, Question 15
Many birds that form flocks compete through aggressive(453 more words not shown)
According to the passage, the(22 more words not shown)
- Aenabling it to(6 more words not shown)
- Ballowing it to(4 more words not shown)
- Cdecreasing its access(3 more words not shown)
- Dmaking it less(4 more words not shown)
- Eincreasing its fighting(1 more words not shown)
Reading the passage
A signal lets a bird avoid another fight. Even a good fighter can get hurt, and every encounter takes time and energy. The first paragraph says the plumage could announce fighting ability while making combat unnecessary (paragraph 1). Obviating means making something unnecessary. That's the benefit we're looking for.
Working the answers
- A
We never discuss attracting mates. That might sound like a benefit of high status, but it isn't the effect described here.
- BCorrect
Other birds can recognize its status without another fight. The bird keeps its position while avoiding the time, energy, and risk of injury that fighting involves.
- C
This goes in the wrong direction. The proposed signal helps a bird avoid fights without losing status, and higher status gives it priority over food and shelter.
- D
These interactions are between members of a flock. Nothing says the signal makes the bird less attractive to predators.
- E
Looking like a strong fighter and becoming a stronger fighter are different things. The signal communicates fighting ability; it doesn't improve that ability.
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