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PlantDefenses213-page11 - • In an intricate symbiosis the...

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Plant Stress and Defense Mechanisms - 11 Using Proxies Plants, being clever, also take advantage of other organisms to destroy and/or deter the plant predator. Some plants can secrete volatile chemicals when injured by a larval predator that attract larvae parasites. In one example, the parasite, a wasp, lays its eggs on the larva. The developing wasp larvae feed on the plant pest for their own development, saving the plant from destruction.
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Unformatted text preview: • In an intricate symbiosis, the Acacia tree feeds and hosts ants, which protect the tree from potential predators and competitors. If a pest (or a clothes pin) touches the tree, the ants swarm to deter it or destroy it. • Beans injured by predators secrete a volatile chemical that is detected by adjacent plants, which activate signal transduction pathways leading to the synthesis of defense molecules....
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