Q. One is different from others. Find out.

A
Ascaris
B
Leech
C
Hook worm
D
Pin worm
Solution:
  • Leeches are segmented parasitic or predatory worms.
  • It comprise the subclass Hirudinea within the phylum Annelida.
  • They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular, segmented bodies that can lengthen and contract.
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