Which of the following is not an aquatic animal?

Differentiation in segmental fashion occurs in

Associate the following features with appropriate organisms and their kingdom [in $(ii)$ and $(iv)$],division [in $(i)$] and phylum [in $(iii)$ and $(v)$].
$(i)$ Presence of pyrenoids
$(ii)$ Presence of heterocysts
$(iii)$ Presence of genital papillae and anus
$(iv)$ Presence of chloroplast and flagella
$(v)$ Presence of palp and parapodia

Define evolution.

Enlist four main features of organisms placed in the kingdom Protista.

Which one is the most striking or common character of the vertebrates?