PrepTest 75, Section 2, Question 9
Red admiral butterflies fly in a highly irregular fashion, constantly varying their speed, wing strokes, and flight path. While predators avoid poisonous butterfly species, nonpoisonous butterflies like the red admiral need to elude predators to survive. Scientists therefore hypothesize that the red admiral's flight style, which is clearly not energy efficient, evolved as a means of avoiding predators.
Red admiral butterflies fly in a highly irregular fashion, constantly varying their speed, wing strokes, and flight path. While predators avoid poisonous butterfly species, nonpoisonous butterflies like the red admiral need to elude predators to survive. Scientists therefore hypothesize that the red admiral's flight style, which is clearly not energy efficient, evolved as a means of avoiding predators.
Red admiral butterflies fly in a highly irregular fashion, constantly varying their speed, wing strokes, and flight path. While predators avoid poisonous butterfly species, nonpoisonous butterflies like the red admiral need to elude predators to survive. Scientists therefore hypothesize that the red admiral's flight style, which is clearly not energy efficient, evolved as a means of avoiding predators.
Red admiral butterflies fly in a highly irregular fashion, constantly varying their speed, wing strokes, and flight path. While predators avoid poisonous butterfly species, nonpoisonous butterflies like the red admiral need to elude predators to survive. Scientists therefore hypothesize that the red admiral's flight style, which is clearly not energy efficient, evolved as a means of avoiding predators.
Which one of the following, if true, most strengthens the support for the scientists' hypothesis?
No species of poisonous butterfly has an irregular flight style like that of the red admiral.
Attacks from predators are not the most common cause of death for butterflies.
Many other types of butterfly have flight styles similar to that of the red admiral.
It is much more energy efficient for butterflies to fly in an irregular fashion than it is for heavier varieties of insects.
All of the predators that prey on the red admiral also prey on other species of nonpoisonous butterflies.
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