AP BIOLOGY

Detailed explanation-1: -The smallest and most fundamental unit of life is a cell. The cell was found in 1665 by Robert Hooke. The cell has been described as the most fundamental structural and functional unit in all living forms, including bacteria, plants, animals, and humans.

Detailed explanation-2: -This means that cells form the parts or an organism and carry out all of the an organism’s processes, or functions.

Detailed explanation-3: -A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms.

Detailed explanation-4: -A cell is capable of carrying out all life processes, such as nutrition, excretion, respiration, etc. Hence it is called as the functional unit of life. The cell is the smallest unit of life and all the living beings are made up of cells. Hence a cell is called the structural unit of life.

Detailed explanation-5: -Cell is the smallest and fundamental unit of life. All living organisms are essentially made up of cells and the functions carried out by cells is responsible for the perpetuation of life. This is the reason why cells are also referred to as basic structural unit of living organisms.