Question

.try to give perfect ans.​

Answer 1

a) point diff from the point of touch

b) through chemical signals

c) by changing the turgor pressure inside them

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Answer 2

Here is the answer for you:-

a]   If we think about where exactly the plant is touched, and what part of the plant actually moves, it is apparent that movement happens at a point different from the point of touch. So, the information that a touch has occurred must be communicated.

b]   The plants use electrical-chemical means to convey this information from cell to cell.

c]   Some cells must change shape in order for movement for happen, plant cells change shape by changing the amount of water in them, resulting in swelling or shrinking, and therefore in changing shapes.

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