This week we travel to the University of Missouri in the Midwestern United States to learn about plants and hearing. Many of us have conducted experiments with phototropism (plants moving toward light)–every time we rotate a plant to get more uniform growth. But did you know that plants can recognize and respond to the sound of a predatory caterpillar munching on a leaf? In response to the very specific vibrations of the predators, the chemical defense systems of the plants are tiggered. Here’s a video from Science 360 describing the experiments. Enjoy.
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