Final answer:
In the earthworm, the pharynx is responsible for drawing food into the mouth through its pumping action.
Step-by-step explanation:
In the earthworm, food is drawn into the mouth by the pumping action of the pharynx. Once the food enters the mouth, it passes through the esophagus and is stored in the crop. It then passes into the gizzard where it is mechanically digested. Finally, the digested food moves through the intestine where nutrients are absorbed, and waste is excreted through the anus as feces. The alimentary canal of an earthworm is a one-way system that efficiently digests and processes the food the worm consumes.