Slide 37 of 44
Notes:
Alimentary canal found in nematodes, annelids, molluscs, arthropods, echinoderms and chordates
Consists of a digestive tube with two openings mouth, anus
In contrast to gastrovascular cavity food moves in one direction
Features of alimentary canals
crops and gizzards - birds and annelids
gastric cecae- arthropods
