Flatworms and roundworms are respectively called ........

Assertion $A$: Fishes possess gills,fins,and scales.
Reason $R$: Fishes are a form of taxon.
Which option is correct for Assertion $A$ and Reason $R$?

In contrast to Annelids,the Platyhelminthes show

Consider the following statements:
$A$. Annelids are true coelomates
$B$. Poriferans are pseudocoelomates
$C$. Aschelminthes are acoelomates
$D$. Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below:

Give the correct match in the following:

Column-$I$	Column-$II$
$(A)$ Flame Cells	$(p)$ Sponges
$(B)$ Collar Cells	$(q)$ Hydra
$(C)$ Stinging cells	$(r)$ Planaria
	$(s)$ Ascaris

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