Question

6. Name important defence mechanisms in plants against herbivory.​

Answer 1

Answer:

Several plants have evolved various mechanisms both morphological and chemical to protect themselves against herbivory.

(1) Morphological defence mechanisms:  

(a) Cactus leaves (Opuntia) are modified into sharp spines (thorns) to deter herbivores from feeding on them.

(b) Sharp thorns along with leaves are present in Acacia to deter herbivores.

(c) In some plants, the margins of their leaves are spiny or have sharp edges that prevent herbivores from feeding on them.

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Answer 2

Answer:

important defence mechanisms in plants are

thorns,prickles,chemicals,...

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