What are outside raw materials used for by an organism?

Explanation

### Step-by-Step Solution:

1. **Identify the Outside Raw Materials**: The outside raw materials that organisms use for their survival are primarily food, water, and oxygen.

2. **Understand the Importance of These Raw Materials**:
- **Food**: Provides energy and nutrients necessary for growth, repair, and maintenance of body functions.
- **Water**: Essential for various biochemical reactions, maintaining body temperature, and transporting nutrients.
- **Oxygen**: Required for cellular respiration, a process that releases energy from food.
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