_______ is a mixed of woodland and grassland ecosystem.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of an ecosystem that is a mix of woodland and grassland.

2. **Identifying the Ecosystem**: The ecosystem that fits this description is known as "savanna."

3. **Characteristics of Savanna**:
- Savanna is characterized by having both trees and grasses.
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