You are presented with the question "What kind of digestive tracks do nematoda have?" and the following answer choices: 
- complete
 - homogenous
 - grow
 - allow growth
 - ligt
 - food
 - organ
 - heat or cold

Now knowing that roundworms make up the phylum Nematoda and roundworm Roundworms have complete digestive tracks, choose the best answer.


 

 complete        