The study of worms causing parasitic infestation in humans is known as:

The gut is present in all of the following taxonomic groups of Platyhelminthes,except for one. Identify the group in which it is absent.

Which of the following is a correct match?

Which of the following is true for $Taenia$?

In which phylum do animals have a digestive tract that opens at only one end?

$Hymenolepis nana$ is: