You may have heard of the silk moth that can detect a female s presence from miles away This is possible because the moth like most animals has the ability to detect pheromones which are chemicals produced by other animals Technically speaking a pheromone is an odorous chemical produced by an animal that affects the behavior of another animal Some of the many behaviors affected by animal pheromones include attracting or finding a mate reproduction cycles marking territory warning of danger and showing the way to food

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