HORTICULTURE

Detailed explanation-1: -All organisms need to exchange certain gases with their environment. The primary gases tend to be oxygen and carbon dioxide.

Detailed explanation-2: -The exchange of gases is essential for the survival of all kinds of living organisms. The gases are exchanged by the process of diffusion based on the concentration gradient.

Detailed explanation-3: -Energy is produced in the cell when food is broken down with the help of oxygen into carbon dioxide and water with the release of energy. Oxygen is taken inside the body through a process called breathing. Thus, all the living beings need to breathe to survive.

Detailed explanation-4: -Gas exchange allows the body to replenish the oxygen and eliminate the carbon dioxide. Doing both is necessary for survival.

Detailed explanation-5: -Need energy to carry out life processes. Are composed of one or more cells. Respond to their environment. Grow and reproduce. Maintain a stable internal environment. 01-Jun-2020