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Question

Question 24:

Growth is one of the characteristic of all living organisms? Do unicellular organisms also show growth?

If so, what are the parameters?

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Solution

Growth is the main character which distinguishes living organisms from non-living. All living organisms grow in number and then accumulate biomass and grow in size as well.
The growth is exhibited by all living organism in terms of increase in number of cells as well as increase in size and length of each cell.
In unicelluar organism, show growth and the growth is synchronous with reproduction. Unicellular organism whenthey divide, they produce offsprings (reproduction) i.e., each cell accumulates (synthesizes) protoplasm and increases in size but up to a limit and divide then to from two new cells.


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