Which is the basic functional unit of life?

organism

OP

organ

tissue

cell

Kiosk

It's the cell

Cell is the basic structural and functional unit of life. Every single organism on this planet is composed of cells. Some organisms are made of one cell which is called unicellular organisms. In Unicellular organisms, single cell is responsible for performing all functions of the cell. Some organisms made of more than one cell which is called multicellular organisms. In multicellular organisms, different cells perform specific functions.