Differentiate between an autotroph and a heterotroph.

Explanation

### Step-by-Step Solution:

1. **Definition of Autotrophs**:
- Autotrophs are organisms that can produce their own food using inorganic substances. The term "auto" means self, and "troph" means nourishment or food. Therefore, autotrophs are self-nourishing organisms.

2. **Process of Food Preparation**:
- Autotrophs typically use processes such as photosynthesis or chemosynthesis to convert light energy or chemical energy into food. For example, green plants use sunlight to synthesize food through photosynthesis.

...