hologamy

Protozoans and its classification

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The word Protozoa is derived from two Greek words: protos means first; zoon means animal. They are the first animals with a protoplasmic grade of body organization. They are simple, unicellular microscopic organisms which may be solitary or colonial. All the vital activities are performed by a single cell so no physiological divison of labour … Read more

Phylum: protozoa

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First animals, solitary or colonial and protoplasmic grade of organization. Simple, unicellular microscopic organisms. Generally free living found in fresh water, salt water and damp soil. Some are parasitic and commensal. Body is naked or covered by pellicle, exoskeleton or internal skeleton may be present in some forms. Locomotory organs are pseudopodia, whip-like flagella and … Read more