Which of the following is a common trait among fishes,amphibians,and reptiles?

Match List $I$ with List $II$ :

List $I$	List $II$
$A$. Pleurobrachia	$I$. Mollusca
$B$. Radula	$II$. Ctenophora
$C$. Stomochord	$III$. Osteichthyes
$D$. Air bladder	$IV$. Hemichordata

Choose the correct answer from the options given below :

Choose the correct difference between $Pristis$ and $Catla$.

Find out the odd one:

Choose the correct option for the following statements:
$(i)$ Metamerism is a characteristic feature of $Annelida$ / $Arthropoda$.
$(ii)$ Internal buds in sponges are called $Gemmules$ / $Gemmi$.

Select the correct option for the following matches:

$(1)$ Diploblastic	$(a)$ Protozoa to Echinodermata
$(2)$ Coelomate	$(b)$ Platyhelminthes to Chordata
$(3)$ Triploblastic	$(c)$ Coelenterata
$(4)$ Invertebrates	$(d)$ Annelida to Chordata