what is function of leaf spone
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In certain plants entire or the parts of the leaves are modified into sharp and pointed structure called as leaf spines. They are exogenous in origin. It can act as defensive structure since it can protect the plants against grazing animals. It also reduces transpiration.
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★ Spines are hard, sharp leaves that are specialized to defend the plant from being eaten by animals.
★ Spines do not make food for the plant.
★ The stem makes food for the plant.
★ Cactus and ocotillo are examples of plants with spines.
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