Define nutrition and mode of nutrition.

Explanation

### Step-by-Step Solution:

1. **Definition of Nutrition**:
- Nutrition is the process by which organisms take in nutrients from their environment to support their growth, maintenance, and overall functioning. This involves the intake of various essential substances such as carbohydrates, proteins, fats, vitamins, and minerals.

2. **Components of Nutrition**:
- Nutrients can be categorized into several types:
- **Carbohydrates**: Provide energy.
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