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UNICELLULAR AND MULTICELLULAR ORGANISMS.
UNICELLULAR ORGANISMS
• Uni means one• Consists of only one cell, very tiny.• Can only be seen under microscope.• Live in water or wet place.– Wells, seas,rivers and drains.
• Have different body shapes.• Carry out all the life process – Respire, eat, excrete, reproduce and move.
Examples:
• Parameciums
Amoeba
Euglena
Chlamydomonas
Yeast Cell
MULTICELLULAR ORGANISMS
• Multi means many.• Made up of many cell.• Include grass, trees, fish and birds.• Hydra and Spirogyra simple multicellular
organisms.
Spirogyra
• Simple multicellular plant.
• Shaped like cylinder.• Join together to form
long filament• Green in color (because
it has chlorophyll)• Can make its own food.
Spirogyra
Hydra
• Multicellular animal.• Cylindrical in shape.• Attaches itself to water
plants.
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