Question

Why is the molecular movement necessary in living organisms?

Answer 1

Answer:

Molecular movement is essential for life because our cells are in constant need of oxygen and nutrients. Likewise, our bodies must get rid of waste...

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Answer 2

Answer:

For repairing and maintaining the body.Molecular movements are the movements of various molecules from one place to another inside the cells and in between cells. These movements are not visible to naked eye, but play a very important role in all the life processes. They are necessary to carry out various metabolic reactions (like respiration,etc) as every body reaction requires movement of molecules and they are necessary for life.  

or    

because of the effect of the environment the organised nature of living organism keep breaking with time which will disturb the organism's structure and it will be no longer alive So to maintain ordered organised structure molecular movements are needed.

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