Answer:
Unicellular Organisms: Unicellular organisms are composed of a single cell Simple body organization.
Diatoms, Yeast, Eukaryotes, Slime Molds.
Multicellular Organisms: Multicellular organisms are composed of more than one cell Simple body organization Complex body organization.
Animals, plants, and fungi are multicellular organisms and often, there is a specialization of different cells for various functions.
Organisms reproduce asexually by splitting, budding, vegetative propagation, and the development of eggs into new animals without fertilization.