Which one of the following is not a living fossil?

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

What is common between an earthworm,a cockroach,and a centipede?

Find out the incorrect match in the following options.

Select the correct option matching the columns $A, B$, and $C$:

$A$	$B$	$C$
$(1)$ Tube feet	$(a)$ Helps in digestion	$(e)$ Mollusca
$(2)$ Radula	$(b)$ Helps in balance	$(f)$ Echinodermata
$(3)$ Statocyst	$(c)$ Helps in locomotion	$(g)$ Annelida
$(4)$ Setae	$(d)$ Water vascular system	$(h)$ Arthropoda

Select the correct pair.