Question

peculiar features of different phyla are given a) presence of ostia, osculum and chanocytes b) presence of ciliated comb plates and exhibits bioluminescence c) body shows metameric segmentation and nephredium in the excretory organ d) body with chitinous exo skeleton and jointed appendages ? identify phyla a,b,c,d​

Answer 1

Answer:

a) porifera.

b) ctenophora.

c) annelida.

d) arthopoda.