Why Do the Leaves of the Touchmenot Plant Close?

The video explores the Touchmenot plant, also known as Mimosa Pudica, highlighting its unique ability to close its leaves when touched. This behavior is an evolutionary defense mechanism against herbivores and insects. The scientific explanation involves sismonastic responses, where electric signals trigger ion release, reducing turgor pressure in cells, causing the leaves to droop. The process is compared to a balloon losing pressure when pricked. The video concludes by summarizing the chemical and physical processes behind this fascinating plant behavior.

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