Solution:
Annelids are aquatic (marine and fresh water) or terrestrial.
Members of Protochordata (Urochordata and Cephalochordata), Ctenophora and Chondrichthyes are exclusively marine.
Freshwater organisms can be seen in the members of
Annelids are aquatic (marine and fresh water) or terrestrial.
Members of Protochordata (Urochordata and Cephalochordata), Ctenophora and Chondrichthyes are exclusively marine.