Mention any two significant roles predation plays in nature.

Explanation

### Step-by-Step Solution:

1. **Understanding Predation**:
- Predation is an interspecific interaction between two different species, where one organism (the predator) hunts and kills another organism (the prey).

2. **Identifying the Roles of Predation**:
- Predation plays significant roles in maintaining the balance of ecosystems.

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