Bath sponge is the common name of ........

Sycon belongs to a group of animals which are best described as

Identify the following animals $(a)$, $(b)$ and $(c)$ shown in the figure:-

Which type of larva is found in sponges?

Incurrent canals are lined by

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