Inferences

SAT Reading and Writing· difficulty 2/5

Bats use echolocation to navigate and locate prey in darkness, emitting high-frequency calls and interpreting the returning echoes. Some species of moth have evolved the ability to detect these calls and respond with evasive flight maneuvers, including sudden drops and erratic spirals. A few moth species can even produce ultrasonic clicks that interfere with bat echolocation.

Based on the passage, which inference is most strongly supported?

  • A

    Bat echolocation is ineffective against any species of moth

  • B

    Moths cannot detect any of the sounds produced by bats

  • C

    Predator-prey relationships can drive the development of countermeasures on both sides

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  • D

    Echolocation provides bats with an unconditionally reliable advantage over moths

Explanation

Bats with echolocation paired with moths' detection, evasion, and counter-clicks supports B. A, C, D contradict the passage.

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