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An interesting thing about sagebrush is that the plants communicate with each other. How do they do that?


Actually communication is fairly common among plants. When an animal starts eating the leaves from a sagebrush plant, it releases a chemical signal that stimulates the production of the chemicals that make it unpleasant to eat. That chemical signal spreads through the air, causing other parts of the sagebrush and other nearby sagebrush plants to speed up the production of those unpleasant chemicals. Other plants do similar things when they are attacked by insect pests or herbivores.