You are presented with the question "Phylum Platyhelminthes are mostly what?" and the following answer choices: 
- animals
 - engorged
 - fungi
 - infected
 - parasitic
 - insects
 - huge
 - free living

Now knowing that flatworms belong to the phylum Platyhelminthes and most of the flatworms are parasitic, although the Turbellaria are free-living in fresh water, choose the best answer.


 

     parasitic    