Explanation:
C
Organ of jacobson's help in smelling. The organ of jacobson's, also known as the vomeronasal organ, is a chemosensory organ that helps animlas to detect pheromones. Pheromones are chemical signals that are released by animals to communicate with each other. Pheromones present on the roof of the mouth and connected with nasal cavity by duct. The organ of jacobson's is found in many animals, including snakes, lizards and mammals.