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pituitary gland and thereby the, , The hypothalamus controls the, ducing a variety of releasing, , entire endocrine system by pro, hormones and inhibitory hormones., , e Action of releasing hormone., ¢ Action of inhibitory hormone., e Action of hypothalamus as prime controller., , , , , , Chemical messages for communication, , Haven't you noticed ants moving ina line along a particular trail?, The reason behind this movement is the production of certain, chemical substances., , _ Such}chemical substances that are secreted by certain animals to, the surroundings to facilitate communication are called, = ‘ es, , romones. Pheromones help in attracting mates, informing, raat off : ‘ood, determining the path of travel, signalling, e chemical messages of pheromones also help, , cs, , , , , , , , , , , , », , J termites to live in colonies., , , , in the musk deer, the civeton in the civet cat,, female sitk worm moth etc., are examples for 5, , Suve gusto Sshe, , nes are used for pest control in agricultural :