read the following sentences and compare with endocrine glands.
a. pheromones are chemical substances secreted by organisms
b. these act as chemical signals secreted by exocrine glands.
c. pheromones are used as signals by the members of same species
d. honey bee secretes pheromones that attract other bees to the location of food
Answers
Answer:
Pheromones are secreted by a honeybee to communicate with other honeybees. They communicate for mating purposes and for informing each other about any dangerous situation or food location. Pheromones resemble the secretions of the endocrine glands but they are not produced in the duct and act directly outside of the body of individuals.
1) Hormones are produced and act inside the body of an organism, whereas pheromones are produced interiorly, but function outside the body.
2) Hormone changes the interior of the body and finally causes to have behavioural attractions whereas pheromones are capable of directly changing the social behaviour of others.
3) Hormones are present in both animals and plants but pheromones are present in animals only.