NEET BIOLOGY

Detailed explanation-1: -The food has stored energy, which is released during respiration. Therefore, all living organisms respire to get energy from food.

Detailed explanation-2: -All living organisms respire. Cells need and use the energy that is formed through this process to assist with life processes in order for organisms to survive and reproduce. Oxygen and carbon dioxide are the main gases involved in aerobic respiration.

Detailed explanation-3: -Solution : All living organisms are made of cells. Each cells of an organism perform functions such as nutrition, transport, excretion and reproduction for which it needs energy. The food has stored energy which is released during respiration. So, living organism respire to get the energy needed for their survival.

Detailed explanation-4: -Therefore All living organisms need Oxygen for respiration.

Detailed explanation-5: -Respiration is the process by which living things obtain energy from food. Oxygen is required to convert the food that we eat into energy. This is acquired through breathing which is then used to obtain energy from the nutrients obtained from our food.