1. KINGDOM PROTISTA
SINGLE CELLED EUKARYOTES ARE KEPT UNDER PROTISTA
THEY ARE MOSTLY AQUATIC IN NATURE
THEY ARE UNICELLULAR , EUKARYOTIC ORGANISMS
THEY HAVE TRUE NUCLEUS BOUNDED BY NUCLEAR MEMBRANE
THEY CAN MOVE BY CILIA AND FLAGELLA
RESPIRATION CAN BE BOTH AEROBIC AND ANAEROBIC
REPRODUCTION CAN BE SEXUAL AND ASEXUAL
2. CHRYOSOPHYTES
• IT CONSISTA OF DIATOM AND GOLDEN ALGAE
• THEY CAN LIVE UN FRESH WATER AND MARINE WATER
• MOSTLY THEY ARE PHOTOSYNTHETIC
• THEIR CELL WALL IS IMPREGNATED WITH SILICA
• THEY ARE MAJOR PRODUCERS IN THE OCEAN
• MOSTLY THRY ARE UNICELLULAR FLAGELLATES BUT SOME ARE AMOEBIOD
3. DINOFLAGELLATES
• DINOFLAGELLATES ARE MARINE AND PHOTOSYNTHETIC ORGANISMS
• THEY CAN BE OF DIFFERENT COLOUR SUCH AS YELLOW AN RED
• THE COLOUR IS DUE TO THE PRESENCE OF DIFFERENT COLOURD PIGMENT
PRESENT IN THE CELLS OF DINOFLAGELLATES
• THE CELL WALL IS MADE OF CELLULOSE
• TOXINS RELEASED BY SUCH LARGE NUMBER MAY EVEN KILL OTHER
MARINE ANIMALS
4. EUGLENOIDS
• EUGLENOIDS ARE FRESHWATER ORGANISMS THAT AARE FOUND IN
STAGNANT WATER
• THEY ARE SURROUNDED BY PROTEIN RICH LAYER CALLED PELLICLE
• THEY HAVE ONE SHORT FLAGELLA AND ONE LONG FLAGELLA
• THEY CAN BEHAVE AS AUTOTROPHIC AND HETEROPHIC ORGANISMS
5. SLIME MOULDS
• THEY ARE SAPROPHYTIC IN NATURE
• UNDER FAVOURABLE CONDITION THEY FORM AGGREGATES WHICH ARE
KNOWN AS PLASMODIUM
• UNFAVOURABLE CONDITION THEY FORM FRUITING BODIES WITH SPORES
• THEY POSSESS TRUE CELL WALL
• THEY ARE EXTREMELY RESISTANT TO ADVERSE CONDITIONS
6. PROTOZOANS
• THEY ARE HETEROTROPHS.THEY CAN LIVE AS PREDATORS AND PARASITES
• THEY ARE BELIEVED TO BE PRIMITIVE RELATIVES OF ANIMALS
• THERE ARE FOUR MAJOR TYPES OF PROTOZOANS FOUND ARE=
• AMEOBOID= FOUND IN FRESH WATER,MOIST SOIL OR SEA WATER.THEY
POSSESS PSEUDOPODIA FOR ENGULFING THE FOOD PARTICLES
• FLAGELLATED = CAN BE FREE LIVING OR PARASITIC. THIS GROUP OF
ORGANISMS ARE RESPONSIBLE FOR DIFFERENT PARASTIC DISEASES.
• CILIATED = POSSESS THOUSANDS OF CILIA . THE MOVEMENT OF CILIA
HELPS IN PROPELLING FORWARD OR BACKWARD . IT ALSO HELPS IN
OBTAINING FOOD FROM THE OUTSIDE
• SPOROZOANS = FORM REPRODUCTIVE CELLS WHICH ARE KNOWN AS
SPORES. THEY ARE PARASITIC AND PATHOGENIC IN NATURE