Which one is not correctly matched?

Which one of the following pairs of animals is correctly matched with the kind of their body symmetry?

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

Which of the following is a correctly matched pair?

Classify the following animals based on their body symmetry (radial or bilateral): Coelenterates,Ctenophores,Annelids,Arthropods,and Echinoderms.

Match the animal name in Column-$I$,its characteristic in Column-$II$,and its Phylum/Class in Column-$III$ correctly.
Column-$I$ (Animal) | Column-$II$ (Characteristic) | Column-$III$ (Phylum/Class)
$A$. Adamsia | $i$. Radial symmetry | $x$. Porifera
$B$. Petromyzon | $ii$. Ectoparasite | $y$. Cyclostomata
$C$. Ichthyophis | $iii$. Terrestrial | $z$. Reptilia
$D$. Limulus | $iv$. Body covered by chitinous exoskeleton | $w$. Pisces