Plants are essential organisms of the Biosphere. They are made up of different organs like
CIRCULATORY SYSTEM
and
DIGESTIVE SYSTEM
which made up the

. Each organ is made up of
TISSUES
. Each of it are made up of the smallest unit of life called
CELLS
.

Animals are essential organisms of the Biosphere. They are made up of different organ systems like

and

. This system is made up of bonded

. Each of it are made up of the smallest unit of life called

. This unit of life is cannot be seen by the naked eye thus the use of

is needed.​