Plants growing on burnt soil are called as ________.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Context**: The question asks for a specific term that describes plants that can grow in burnt soil. This implies that these plants have special adaptations that allow them to survive in harsh conditions.

2. **Identifying the Term**: The term used to describe plants that thrive in burnt soil is "pyrophytes."

3. **Explaining the Adaptations**: Pyrophytes are adapted to high temperatures and can withstand fire or extreme heat. This adaptation is crucial for their survival in environments where other plants cannot thrive.

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