$A$ blastula which is solid,is known as

Consider the following features:
$(a)$ Organ system level of organisation
$(b)$ Bilateral symmetry
$(c)$ True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics.

Match the following columns and select the correct option:

Column $I$	Column $II$
$(a)$ Aptenodytes	$(i)$ Flying fox
$(b)$ Pteropus	$(ii)$ Angel fish
$(c)$ Pterophyllum	$(iii)$ Lamprey
$(d)$ Petromyzon	$(iv)$ Penguin

Which of the following is not a parasitic adaptation?

Which type of asexual reproduction is $NOT$ observed in organisms belonging to the phylum Protozoa?

Which statement is true for $Spongilla$,$Leech$,$Dolphin$,and $Penguin$?