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

Which of the following is a correctly matched pair?

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

Select the correct match for $X$ and $Y$:

Column $X$	Column $Y$
$(1)$ Skin without scales	$(P)$ Catla
$(2)$ Placoid scales	$(Q)$ Hagfish
$(3)$ Cycloid scales	$(R)$ Chameleon
$(4)$ Epidermal scales	$(S)$ Ray-fish

$A.$ Animals are multicellular organisms composed of eukaryotic cells.
$R.$ Sponges do not perform photosynthesis and obtain nutrition by absorption.

Select the incorrect statements from the following:
$A$. Digestive system in Platyhelminthes is incomplete.
$B$. Bilateral symmetry is a characteristic feature of adult Echinoderms.
$C$. Pseudocoelom is possessed by Aschelminthes.
$D$. Notochord is persistent throughout life in the class Chondrichthyes.
$E$. Members of class Reptilia maintain a constant body temperature.