Answer:
Organisms whether it is
unicellular or multicellular need to perform a lots of functions like respiration,
digestion, locomotion, etc. Cells that are present in group and specialize in
one particular function forms tissues. Some tissue helps in growth, while
others in locomotion and some in body movement.
So,
if tissues are not present in bodies of living organism then these kinds of
highly organized and specialized process will become disorganised. There will
be no coordination in the functioning of cells and body. (3)
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