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Question
Differentiate between multicellular and unicellular organisms with 3 examples of each.
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Unicellular organismMulticellular organism1. Body s made up of single cellBody s made up of numerous cell2. Division of labour is at the organelleDivision of labour may be at cellular, tissue,level. It gives a low level oforgan and organ system level. It gives highoperational efficiencydegree of operational efficiency3. A single cell carries out all the lifeDifferent cells are specialized to performprocessesdifferent functions4. The cell body is exposed to theOnly outer cells are specialized to face theenvironment on all sidesenvironment. Inner cells are devoted to otherfunctions5. An injury of the cells can cause deathInjury or death of some cells does not affectof the organism.the organisms as the same can be replacedby new one.6. A cell body cannot attain a large sizeA multicellular body can attain a large sizebecause of the limit imposed byincreasing the number of small cellssurface area to volume ratio7. Lifespan is short due to heavy loadLifespan is long due to limited load of workof workfor each cell type8. Power of division is not lostCertain specialized cells lose power ofdivision9. A wellmarked capacity ofThe capacity of regeneration decreases withregeneration is presentincreasing specialization10. The cell has the same role for itselfCells have a double role. One for themselvesand the organismand other for the organism
Unicellular organism - Amoeba,Paramaecium, Euglena, Plasmodium
Multicellular - Lion, human, Tiger
Unicellular organism - Amoeba,Paramaecium, Euglena, Plasmodium
Multicellular - Lion, human, Tiger
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