Each step in a food chain represents ___________

Explanation

**Step-by-Step Solution:**

1. **Understanding the Food Chain:**
- A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

2. **Identifying the Components of a Food Chain:**
- In a food chain, there are different organisms that occupy various positions based on their role in the ecosystem, such as producers, primary consumers, secondary consumers, and so on.

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