Give five differences in the alimentary canal of flatworms earthworm and cockroaches

Animals are adapted to the complex chain food since when they were no manufactured to the their food system. Without breakdown this complex food chain can not digest without breakdown.

Explanation:

Earthworm alimentary canal:

Earthworm have a segmentation of well developed characteristics of all animals. The alimentary canal of earth worm as well as flatworm consists of buccal cavity, mouth, esophagus, crop, intestines', gizzard, and anus. The digestion occur extracellular that means the digestion occur outside the cells. Cockroach is an omnivores. It ranging from starchy to the sweet things to the paper and clothes etc. It suits its diet. Its alimentary canal consists of Foregut, midgut and the hindgut. Both are different in their structure as well as in their alimentary canal.