Organisms that cannot prepare their own food

Explanation

### Step-by-Step Text Solution

1. **Understanding the Question**: The question asks about organisms that cannot prepare their own food. This means we are looking for a specific category of organisms that rely on other sources for their nutrition.

2. **Defining Heterotrophs**: Organisms that cannot synthesize their own food are known as Heterotrophs. Unlike Autotrophs, which can produce their own food (like plants through photosynthesis), Heterotrophs must obtain their food from other organisms.

3. **Examples of Heterotrophs**: Heterotrophs include a wide variety of organisms such as animals, fungi, and some bacteria. For instance, a zebra is a Heterotroph because it eats grass to obtain energy and nutrients.

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