Pick up the mismatched

Options

A. Annelida – Hydra
B. Nemathelminthes – Ascaris
C. Arthropoda – Cockroach
D. Echinodermata – Starfish

Answer

A

Explanation

Polychaeta and hydra (genus) is a genus of small, fresh- water animals of the phylum Cnidaria and class Hydrozoa