Answer:
Nematodes have a complete digestive system
Explanation:
Phylum Nematodes are also termed as roundworms. Nematodes have a complete digestive tract starts from the mouth and ends in anus.
components of Digestive tract: Stomoddeum where mouth opening oesophagus lies and the buccal cavity and the other end is the proctodeum,from here the waste exits. In between the two openings is a intestine a tube like structure,no stomach.These are the components involved in a complete digestive system of nematodes
