||Made up of single cell.
||Made up of several cells.
||There is no division of labour.
||There is division of labour.
||Comparatively larger in size.
||Smaller in size.
||Unable to exhibit wide range of different functions.
||More efficient and carries out a number of activities.
||Do not contain membrane bound cell organelles.
||Contain membrane bound cell organelles.
||Life span is short comparatively.
||Life span is long comparatively.
||Easily susceptible to damage.
||Have better adaptability capacity.
||Any injury to cell can cause death of cell.
||Death of few hundreds to thousands cells does not affect much.
||Cell surface is responsible for various life processes like respiration, excretion, etc.
||Separate systems are there to conduct various life processes.
||Growth is due to growth in cell.
||Growth is due to multiplication of cells.
||Only visible under microscope.
||Most are visible to naked eyes.
||Binary fission is mode of asexual reproduction.
||Mitosis is mode of asexual reproduction.
||Conjugation is mode of sexual reproduction.
||Production of gametes is responsible for sexual reproduction.
||The cell body is exposed to environment on all sides.
||Only outer cells are specialized to face the environment.
||Power of division is not lost.
||Power of division is lost in some specialized cells.
||Prokaryotic in nature.
||Eukaryotic in nature.
||Have well-marked capacity of regeneration.
||Capacity of regeneration decreases with increasing specialization.
||Examples: Paramecium, Amoeba, Chlamydomonas, etc
||Examples: animals and plants.
Image source: vedantu
Differences between unicellular and multicellular organisms