Stimuli and Response in Plants (3)

Science

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The importance of negative geotropism

Allows the shoots and leaves of plants to grow upwards to obtain sunlight for photosynthesis

Part of plants that shows thigmotropism positive

Tendrils or twining stems

The importance of thigmotropisme positive

Enables plants to grow upwards to obtain sunlight and grip objects to obtain support

Part of plants that shows thigmotropisme negative

Roots

Similarity between the responses of tropism and nastic movement

Tropism and nastic movement are plant responses to stimulation

Difference between the responses of tropism and nastic movement

Tropism is a plant's directional response to a stimulus, while a nastic response is a response to a stimulus regardless of its direction

Type of tropism towards the following stimuli (touch)

Thigmotropism

Type of tropism towards the following stimuli (gravity)

Geotropism

Type of tropism towards the following stimuli (light)

Phototropism

Types of responses of plants

Two types which are tropism and nastic movement

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