In which of the following do the organisms of the Kingdom Animalia show great diversity?

Statement-$I$ :- Cyclostomata do not have jaws.
Statement-$II$ :- Urochordates do not have a vertebral column.

$Peripatus$ is a connecting link between

Match the columns and choose the correct combination.

$A$. Polychaeta	$p$. Scorpion
$B$. Trematoda	$q$. Pila
$C$. Arachnida	$r$. Liver Fluke
$D$. Gastropoda	$s$. Nereis
	$t$. Star Fish

Find the odd example.

Match the animals listed under Column-$I$ with their respective zoological names given under Column-$II$; choose the answer that provides the correct combination of the alphabets of the two columns.
Column-$I$ (Common Name) | Column-$II$ (Zoological Name)
$A$. Starfish | $p$. Sepia
$B$. Jellyfish | $q$. Astropecten
$C$. Devilfish | $r$. Aurelia
$D$. Cuttlefish | $s$. Octopus