What is Stimuli? Examples of Stimuli? How organisms respond to Stimuli

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A stimulus is something in the environment that causes a living organism to respond.living organisms have the ability to detect and react to stimuli, while non living things do not respond to their surroundings.

Examples:,▪️▪️▪️▪️▪️▪️▪️▪️▪️▪️
⚫Morning glories open their petals in the presence of sunlight.
⚫Venus flytraps closes their leaves when they are touched by insects.
⚫Frogs come out when it rains because the rain acts as a stimulus.
⚫Organisms use sense organs like eyes ,ears and taste receptors to detect and respond to stimuli.The ability to respond helps organisms survive in their environment.
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How organisms respond to stimuli.
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When the environment changes , organisms adapt their behavior to survive.
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For example
Plants respond to sunlight by growing towards it or opening their leaves.
Animals might move to shade during hight heat or seek food when hungry.

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Active Response:▪️▪️▪️▪️▪️
Living organism actively adapt their behavior to stimuli e.g a bird flying to a tree when it sense danger .
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Non Responsiveness in non living things.▪️▪️▪️▪️▪️▪️▪️
A stone rolling down a hill is not responding to stimuli.it is simply moved by gravity.

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