Why do all the organisms respire ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Respiration**: Respiration is a vital process that occurs in all living organisms. It is essential for the survival of these organisms.

2. **Energy Requirement**: All organisms require energy to carry out various life processes such as growth, movement, reproduction, and metabolism. This energy is necessary for the functioning of cells and tissues.

3. **Food as Fuel**: The energy needed by organisms comes from food. However, food must be broken down into usable forms of energy through the process of respiration.

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