Biological Classification

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They are either free-living or parasitic. They have

flagella. The parasitic forms cause diseases such as

sleeping sickness, e.g., Trypanosoma (AIPMT 1990)

FLÅGËLLÅTËD PRØTØZØÅÑS

They have an infectious spore- like stage

in their life cycle. E.g. Plasmodium (malarial

parasite). (AIPMT 1990)

They are aquatic, actively moving organisms

using thousands of cilia. They have a cavity

(gullet) that opens to outside of the cell surface.

The coordinated movement of rows of cilia

causes the water laden with food to be steered

into the gullet. E.g. Paramecium.

SPØRØZØÅÑS

ÇÏLÏÅTËD PRØTØZØÅÑS

KÏÑGDØM FÜÑGÏ

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It is a unique kingdom of heterotrophic organisms.

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Fungi are cosmopolitan.

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They grow in warm and humid places. E.g. bread mould, orange rots,

mushroom, toadstools etc.