Describe the characteristic features of kingdom Protista and also describe its groups.

(N/A) $\rightarrow$ All single-celled eukaryotes are placed under Protista,but the boundaries of this kingdom are not well-defined.
$\rightarrow$ Habitat: Members of Protista are primarily aquatic.
$\rightarrow$ This kingdom forms a link with others dealing with plants,animals,and fungi.
$\rightarrow$ Structure: Being eukaryotes,the protistan cell body contains a well-defined nucleus and other membrane-bound organelles.
$\rightarrow$ Some have flagella or cilia for locomotion.
$\rightarrow$ Reproduction: Protists reproduce asexually and sexually by a process involving cell fusion and zygote formation.
$\rightarrow$ Groups of Protista: The kingdom includes Chrysophytes,Dinoflagellates,Euglenoids,Slime moulds,and Protozoans.