differenciate between unicellular and multicellular oraganisms(on the basis of cell number,division of labourand cell labour)
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ATQ Multicellular Vs Unicellular
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The number of cells are more in multicellular instead of unicellular Due to karyoplasmic ratio the grater the cell is the slower the rate of metabolism occur
Though carrying the same genetic material and developing from the same zygote, the cells of the multicellular organisms differentiate and become specialized to perform functions . it brings about the division of labour
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ATQ Multicellular Vs Unicellular
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The number of cells are more in multicellular instead of unicellular Due to karyoplasmic ratio the grater the cell is the slower the rate of metabolism occur
Though carrying the same genetic material and developing from the same zygote, the cells of the multicellular organisms differentiate and become specialized to perform functions . it brings about the division of labour
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Unicellular Organism
The body of the organism is composed of a single cell.
Division of labour is at the organelle level.
It gives a low level of operation
A single cell carries out all the life processes.
The cell body is exposed to the environment on all sides.
A cell body cannot attain a large size because of the limit imposed by surface area to volume ratio.
An injury of the cell can cause death of the organism.
Power of division is not lost.
A well marked capacity of regeneration is present.
The cells has the same role for itself and the organism.
Life span is short due to heavy load of work.
Multicellular Organism
The body of the organism is composed of numerous cells.
efficiency. Division of labour may be at cellular, tissue, organ and organ system level.
It gives high degree of operational efficiency.
Different cells are specialized to perform different functions.
Different types of cells in multicellular organisms
Only outer cells are specialized to face the environment. Inner cells are devoted to other functions.
A multicellular body can attain a large size increasing the number of small cells.
Injury or death of some cells does not affect the organism as the same can be replaced by new one.
Certain specialised cells lose power of division.
The capacity of regeneration decreases with increasing specialisation.
Cells have double role. One for themselves and other for the organism.
Life span is ling due to limited load of work for each cell type.
The body of the organism is composed of a single cell.
Division of labour is at the organelle level.
It gives a low level of operation
A single cell carries out all the life processes.
The cell body is exposed to the environment on all sides.
A cell body cannot attain a large size because of the limit imposed by surface area to volume ratio.
An injury of the cell can cause death of the organism.
Power of division is not lost.
A well marked capacity of regeneration is present.
The cells has the same role for itself and the organism.
Life span is short due to heavy load of work.
Multicellular Organism
The body of the organism is composed of numerous cells.
efficiency. Division of labour may be at cellular, tissue, organ and organ system level.
It gives high degree of operational efficiency.
Different cells are specialized to perform different functions.
Different types of cells in multicellular organisms
Only outer cells are specialized to face the environment. Inner cells are devoted to other functions.
A multicellular body can attain a large size increasing the number of small cells.
Injury or death of some cells does not affect the organism as the same can be replaced by new one.
Certain specialised cells lose power of division.
The capacity of regeneration decreases with increasing specialisation.
Cells have double role. One for themselves and other for the organism.
Life span is ling due to limited load of work for each cell type.
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