Why growth and reproduction are mutually inclusive events in unicellular organisms but mutually exclusive events in higher multicellular organisms (like higher plants and animals)?
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In unicellular organisms growth and reproduction are inclusive, because they have only single cell which performs all the functions for living. For growth to take place, there is nothing such distinct growth as the size of the cell doesnot become large (every cell has a specific size which it maintains). Ones the unicellular organisms divide, it is considered as cell division as well as reproduction. Basic thing that is required for growth and development to take place is cell division. In single celled organism ones division takes place means it is no longer the same old organisms. So growth and reproduction are not distinct.
In multicellular organisms, specific organs work for reproduction. Growth and development are independent of reproduction and vice-versa. Though they are reproducing, they are not losing their identity and continuous growth and development goes on over all in the body.
In multicellular organisms, specific organs work for reproduction. Growth and development are independent of reproduction and vice-versa. Though they are reproducing, they are not losing their identity and continuous growth and development goes on over all in the body.
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Explanation:The first thing is that
Mutually exclusive events are those which are independent on one another.This is the key. So for higher animals and plants growth and reproduction are not dependent on one another that is we have seperate systems for each but for an unicellular organism it has only a single cell to perform everything so growth and reproduction are dependent on one another that is mutually inclusive events
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