Scientists exposed the the Washington Post plant to caterpillars and worms . They found caterpillars produce more drool when eating a plant leaf . Genetic tests on plant revealed it responded to caterpillars differently . The plant could even tell various caterpillars apart , the scientists found . Previous study found plants can identify nearby sounds , such as eating .
Scientists exposed the Arabidopsis plant to caterpillars and worms . They found caterpillars produce more drool when eating a plant leaf . Genetic tests on plant revealed it responded to caterpillars differently . The plant could even tell various caterpillars apart , the scientists found . Previous study found plants can identify nearby sounds , such as eating .