Question

if i touch a mimosa plant (touch me not) it closes it leaves why does this happen

Answer 1

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Leaves of Mimosa pudica are sensitive. When touched the stimulus reaches the base of the leaf and the water in the vacuoles of the cells of leaf loses water to the adjacent cell. All of the water escapes from the leaf which then becomes flaccid. This causes the leaves to close.

Answer 2

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Leaves of Mimosa pudica are sensitive. When touched the stimulus reaches the base of the leaf and the water in the vacuoles of the cells of leaf loses water to the adjacent cell. All of the water escapes from the leaf which then becomes flaccid. This causes the leaves to close.