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Created page with "== Introduction == Plants, as stationary organisms, have evolved a variety of defense mechanisms to protect themselves from herbivorous insects. These mechanisms can be broadly classified into two categories: constitutive defenses, which are always present in the plant, and induced defenses, which are activated in response to insect attack. == Constitutive Defenses == Constitutive defenses are the plant's first line of defense against insect herbiv..."
