Plants have evolved an enormous array of mechanical and chemical defenses against the animals that eat them.
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These tools allow plants to survive and reproduce in the same area as herbivores and act to prevent herbivory or at least minimize damage incurred from feeding.
Plant defenses include: Mechanical protection on the surface of the plant; complex polymers that reduce plant digestibility to animals; and toxins that kill or repel herbivores.
Plants also have features that enhance the probability of attracting natural enemies to herbivores..
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