Question

state the role of spines__the modified leaves ​

Answer 1

Answer:

The Spines help in stopping loss of water through transpiration

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Answer 2

Answer:Leaves of certain plants become wholly or partially modified for defensive purpose into sharp, pointed structures known as spines. Thus, in prickly pear (Opuntia; fig). In barberry the leaf itself becomes modified into a spine; while the leaves of the axillary bud are normal.

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