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15-03-2017
Chemistry

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What is the only type of chemical signal that does not alter the physiology of the animal producing that signal?

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MissPhiladelphia MissPhiladelphia

23-03-2017

I think the correct answer would be pheromones. It is the only type of signal that is chemical which is not used to change the appearance of the animal producing it. It is a substance that is released to affect the behavior not the appearance.

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