Cell — Structure And Functions
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What are the characteristics of unicellular and multicellular organisms?
A comparison between unicellular and multicellular organisms is -
1. Unicellular Organisms -: The body of the unicellular organism is composed of a single cell with a simple body organization. They are Irregular in shape. A single cell is responsible to carry the life processes. Different cells are specialized to perform different functions. The division of labour is at the organelle level. A lifespan of a unicellular organism is usually short. They reproduce by asexual reproduction. 2. Multicellular Organisms -: The body of the multicellular organism is composed of numerous cells with complex body organization. They have a definite shape. Only the outer cells are exposed to the environment. Division of labour is at cellular, tissue, organs, and organ system level. These multicellular organisms have a longer lifespan. They reproduce by sexual reproduction.
1. Unicellular Organisms -: The body of the unicellular organism is composed of a single cell with a simple body organization. They are Irregular in shape. A single cell is responsible to carry the life processes. Different cells are specialized to perform different functions. The division of labour is at the organelle level. A lifespan of a unicellular organism is usually short. They reproduce by asexual reproduction. 2. Multicellular Organisms -: The body of the multicellular organism is composed of numerous cells with complex body organization. They have a definite shape. Only the outer cells are exposed to the environment. Division of labour is at cellular, tissue, organs, and organ system level. These multicellular organisms have a longer lifespan. They reproduce by sexual reproduction.
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