Science Fill in the blanks.

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Plant roots grow downward in response to _________.

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Plant shoot grows upward in response to __________.

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A neuron which carries an impulse to the brain is called a ________.

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The two examples of effectors are ________and________.

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The neuron which carries a message for action to a muscle or gland is known as a __________.

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Tendrils wind around a support in response to ________.

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_____ is the hormone that causes phototropism in plants.

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A plant’s response to light is called _________.

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A root of a plant grows downward. This is known as _________.

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A plant’s response to gravity is called __________.

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Plant roots grow towards ______and in the direction of force of ________.

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The response of leaves to the sunlight is called ________.

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Our ________system allows Us to react to our surroundings. Information from receptors passes along ________neurons to our brain. Our brain sends impulses along _______neurons to our muscles.