The ability of the venus fly trap of capture insects is due to
A
Chemical stimulation by the prey
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B
A passive process requiring no special ability on the part of the plant
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C
Specialized ''muscle-like'' cells
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D
Rapid turgor pressure changes
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Solution
The correct option is D Rapid turgor pressure changes In Dionaea an insect that happens to alight over tha lamina and touch a sensitive spine twice in quick succession causes the folding of the lamina. The curved marginal spines get interlocked and the insect gets trapped