Which of the following phyla contains Leech?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Annelida .
Leeches belong to the phylum Annelida, which includes segmented worms. Annelids are characterized by their segmented bodies, bilateral symmetry, and a true coelom (body cavity). Leeches, specifically, fall under the class Hirudinea within Annelida. They are mostly found in freshwater environments, though some are terrestrial or marine. Unlike other annelids like earthworms, leeches have a fixed number of segments and usually possess suckers at both ends of their bodies.