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Chemical Coordination and Integration
Question
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Which one of the following is called intra-specific chemical messenger?

  • Pheromones

  • Prostaglandins

  • Corticotrophin

  • Catecholamines

Answer

A.

Pheromones

Pheromone is a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behaviour or physiology of others of its species.There are alarm pheromones, food trail pheromones, sex pheromones and many other that affect behaviour or physiology.

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