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Mention how have plants developed mechanical and chemical defence against herbivores to protect themselves with the help of one example of each.

 

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Plants have developed a mechanical defence against herbivores to protect themselves by developing (modified)Thorns for ex; cactus

Plants have developed a chemical defence against herbivores to protect themselves by producing and storing poisonous chemicals Ilke nicotine and
caffeine.

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Safeer PP

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