HORTICULTURE

Detailed explanation-1: -The cell is the smallest structural and functional unit of living organisms, which can exist on its own. Therefore, it is sometimes called the building block of life.

Detailed explanation-2: -All living things are made of cells (Figure 3.3. 1); the cell itself is the smallest fundamental unit of structure and function in living organisms.

Detailed explanation-3: -Mycoplasma gallicepticum is the smallest cell. Mycoplasma’s size is 0.2–0.3 m. Mycoplasma are the smallest living organisms on the earth.

Detailed explanation-4: -Figure 1: Levels of the body from smallest to largest: Atoms, molecules, cells, tissues, organs, and organ systems.