Information and IdeasEasyCompleting a simple inference about moths
Information and Ideas practice question
Many moths navigate at night by keeping a distant light source, such as the moon, at a constant angle to their flight path. A streetlight, though, is close by: a moth holding a constant angle to it ends up spiraling inward, sometimes circling the lamp for hours while easy prey for bats. Artificial lights, in other words, ____
Which choice most logically completes the text?
- A. confuse the cues moths use to steer.Correct
- B. provide moths with extra warmth at night.
- C. help moths find food more easily.
- D. protect moths from nighttime predators.
Answer: A. confuse the cues moths use to steer.
If moths steer by keeping a distant light at a fixed angle, a nearby lamp hijacks that cue — so streetlights confuse their steering.
Why the other answers are wrong
- B. provide moths with extra warmth at night.
- Warmth appears nowhere in the text.
- C. help moths find food more easily.
- The text describes moths circling lamps for hours, not finding food.
- D. protect moths from nighttime predators.
- The text says circling moths are easy targets, the opposite of protected.
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