CLASSIFICATION OF LIVING THINGS 2. KINGDOM PROTOCTISTA This kingdom consist of three groups of organisms:- the protozoa, algae and the slime mould. They are a diverse group with some formally classified in plant and animal kingdom. CHARACTERISTICS OF PROTOCTISTA. They are single celled or simple multicellular eukaryotic organisms. Live in moist or aquatic environment. They have heterotrophic nutrition and feed by ingesting food like animals. They are microscopic in their size. Move by pseudopodia (amoeba), cilia (paramecium) or flagella (Euglena) Fig. Some protozoan AMOEBA Paramecium Paramecium ALGAE Characteristics of Algae. Single celled, conical or filamentous in form. It poses chlorophyll and have autotropic nutrition. Most of the algae are aquatic in habitat living in both fresh water and marine environment. Their bodies are thallus i.e without differentiation into roots, stem or leaves. They contain variety of pigments. i.e Brown, yellow, green, red, and are distinguished by thos...
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