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Activity Discussion Science & Technology SCIENCE Reply To: SCIENCE

  • Chammi Bowathdeniya

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    August 23, 2024 at 4:29 pm
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    While plants are rooted in the ground and cannot move in the same way animals do, they do exhibit various movements and responses to their environment. Here are some ways in which plants “move”:

    Tropisms: Plants exhibit tropisms, which are growth movements in response to external stimuli. For example:

    Phototropism: Plants grow towards light to optimize photosynthesis.

    Gravitropism: Roots grow downwards while stems grow upwards in response to gravity.

    Thigmotropism: Plants respond to touch by growing or moving in a particular direction.

    Nastic Movements: These are reversible, non-directional movements in response to stimuli, such as:

    Nyctinasty: The opening and closing of flowers or leaves in response to light or darkness.

    Thigmonasty: The rapid movement of plant parts due to touch.

    Circadian Rhythms: Plants exhibit daily rhythms in activities like leaf movements, flower opening, and stomatal opening and closing.

    Vine Movements: Some plants like vines exhibit twining movements to climb and support themselves.

    While these movements may not involve physical relocation, plants have evolved various mechanisms to respond to their environment and optimize their growth and survival.

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