Plant DecodedPlant behaviour
Plants can’t walk away from trouble, so they’ve become remarkably good at noticing it. These notes look at how plants sense touch, sound, light and danger, and what the research really shows, without the hype that usually comes with it.
Do plants make sounds?
Yes, but you can’t hear them. In 2023, scientists recorded stressed tomato and tobacco plants making ultrasonic clicks, far above the range of human hearing.
Can plants hear?
Not with ears, but some plants respond to sound vibrations in surprisingly useful ways.
Words to know in plant behaviour
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