A little wonder, every day
Plants respond to chemical cues
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AI-generated cover illustration of a giraffe browsing an acacia-like tree on the savanna; it depicts the ecological setting, not chemical signals or proof of tree-to-tree communication.
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Some damaged plants release volatile chemicals; in a number of studies, neighboring plants became more resistant to herbivores after exposure. But this does not prove the popular story that acacias warn their neighbors specifically about giraffes: a study of Acacia sieberiana recorded local defensive changes associated with giraffe browsing, but did not test a signal passing from one tree to another. [1, 2]



