Zoology 8th Edition by Stephen Miller,John Harley

تمرين 5

Anting, a common habit of many songbirds, involves picking up ants with their beaks and rubbing them over the feathers. __________ secreted by the ants is apparently toxic to feather mites.
A) Formic acid
B) Glycoproteins
C) Metallic salts
D) Pheromones
E) Phospholipids