Figure 7.4 The sensitive plant
If we think about where exactly the plant is touched, and
of the plant actually moves, it is apparent that movement hap
point different from the point of touch. So, information that at
occurred must be communicated. The plants also use electrical
means to convey this information from cell to cell, but unlike in
there is no specialised tissue in plants for the conduction of info
Finally, again as in animals, some cells must change shape in
movement to happen. Instead of the specialised proteins found
muscle cells, plant cells change shape by changing the amount
in them, resulting in swelling or shrinking, and therefore in
shapes.
7.2.2 Movement Due to Growth
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