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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