Which one of the following pairs of animals are similar to each other for the feature stated against them:

Which one of the following is $NOT$ an adaptation in endoparasitism?

$S$ Statement: Aquatic life,gills,fins,and scales are characteristics of the fish group.
$R$ Reason: External ear (pinna) and hair on the body are characteristics of the mammalian group.
$(a)$ Both $S$ and $R$ are true,$R$ is the correct explanation of $S$.
$(b)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(c)$ $S$ is true and $R$ is false.
$(d)$ $S$ is false and $R$ is true.
$(e)$ Both $S$ and $R$ are false.

Match the following columns and select the correct option.

Column-$I$	Column-$II$
$(a.)$ Sea fan	$(i)$ Mandarina
$(b.)$ Sea hare	$(ii)$ Taenia
$(c.)$ Radial symmetry	$(iii)$ Gorgonia
$(d.)$ Endoparasite	$(iv)$ Aplysia

The only incorrectly matched pair is:

Phylum	Level of organisation

Which of the following is a correctly matched pair?