LIFE SCIENCE

Detailed explanation-1: -Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That’s because all cells are surrounded by a structure called the cell membrane-which, much like the walls of a house, serves as a clear boundary between the cell’s internal and external environments.

Detailed explanation-2: -The cell is the structural and functional unit of life, and all the organisms are made up of cells of different size, shape, number and structural organization. Cells are also known as ‘building blocks of life’. The study of cell is called ‘cell biology or cytology’.

Detailed explanation-3: -Cells are called as the basic unit of life because all the living organisms are made up of cells and also all the functions taking place inside the body of organisms are performed by cells. Cells provide the specific conditions, for the occurrence of the metabolic reactions.