Plants can hear themselves being eaten

Science
Plants can hear themselves being eaten

Plants can "hear" and react to the sounds of insects eating them, deploying targeted chemical defenses and even calling for backup, revealing a surprising awareness of their environment.

Plants possess a surprising ability to "hear" when caterpillars munch on their leaves. They detect these specific chewing vibrations and, in response, unleash a chemical defense. Researchers found plants ignored other sounds like wind, only reacting to the precise frequency of eating. This triggers the production of bad-tasting mustard oils and other deterrents for insects.

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