Q. Which of the following is not a defence evolved by a prey to avoid predators?
A) Ejection of noxious chemicals
B) Possession of toxic hairs
C) Mimicry of inedible objects
D) Secretion of pheromones
Explanation
Pheromones are the chemicals, which when released by an animal in its surrounding, affect the behavior and development of other individuals of the same species and act as a chemical messenger among them. These are meant for sexual attraction, recognition of area and individuals, alarming and communication, aggressiveness, etc but not for a defence mechanism of prey to avoid predator.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.