State the phylum to which liver fluke and Planaria belong.

$(a)$ What are saprophytes?
$(b)$ Name the kingdom to which they belong.
$(c)$ What is the cell wall of fungi made-up of?

$(a)$ State two characteristic features of nematodes.
$(b)$ Identify the phylum with the help of the following features:
$(i)$ Spiny-skinned,radially symmetrical,and have tube feet.
$(ii)$ Triploblastic,worm-like,having a segmented body.

Write one difference for each of the following pairs:
$(i)$ Thallophyta and Bryophyta
$(ii)$ Nematoda and Annelida
$(iii)$ Amphibia and Reptilia

State whether the following statements are True $(T)$ or False $(F)$:
$(a)$ Gymnosperms differ from Angiosperms in having covered seeds.
$(b)$ Non-flowering plants are called Cryptogamae.
$(c)$ Bryophytes have conducting tissue.
$(d)$ Funaria is a moss.
$(e)$ Compound leaves are found in many ferns.
$(f)$ Seeds contain an embryo.

Write two characteristic features of the phylum to which Ascaris belongs. Name the parasitic worm that causes elephantiasis.