Answer:
<u><em>Fundamental Units:</em></u>
1) Fundamental units also called base units are used to describe base quantities
2) They cannot be expressed in terms of derived units.
3)<u> Examples :</u> Meter, Ampere, Second etc.
<u><em>Derived Units:</em></u>
1) Derived units are used to describe derived quantities.
2) They can be expressed in terms of fundamental units.
3)<u> Examples: </u>Newton, Joule, Hertz, Pascal etc.