Multicellularity in organisms, brought about in the cells leading to increased efficiency.
A
simplicity
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B
division of labour
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C
functionality
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D
structure
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Solution
The correct option is B division of labour Multicellular organisms are made up of millions of cells. Cells that perform similar functions are grouped together as tissues in the body. Hence, a particular function is carried out by a group of cells at a definite place in the body. This is known as division of labour in multicellular organisms.