Identify the organism that is different from others based on the presence of a coelom.

The animals that can eat various plant and animal materials are called:

Match the following columns and select the correct option.

Column-$I$	Column-$II$
$(a)$ Coelenterata	$(i)$ Parapodia
$(b)$ Arthropoda	$(ii)$ Radula
$(c)$ Annelida	$(iii)$ Malpighian tubules
$(d)$ Mollusca	$(iv)$ Cnidoblasts

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Amphibia	$(1)$ Air bladder
$(b)$ Mammalia	$(2)$ Cartilaginous notochord
$(c)$ Chondrichthyes	$(3)$ Mammary gland
$(d)$ Osteichthyes	$(4)$ Pneumatic bones
$(e)$ Cyclostomata	$(5)$ Dual habitat
$(f)$ Aves	$(6)$ Jawless,circular,sucking mouth

Given are the four matches of phyla with their characteristic cells:
$A$. Coelenterata - Nematocytes
$B$. Porifera - Choanocytes
$C$. Ctenophora - Solenocytes
$D$. Platyhelminthes - Nephrocytes
Mark the option that has both correct matches.

Which character is common in phylum Echinodermata and Chordata?