Mention any three characteristics of permanent tissues.

Explanation

**Step-by-Step Solution:**

1. **Definition of Permanent Tissues**: Permanent tissues are a type of plant tissue that has lost the ability to divide. This means that once these tissues are formed, they perform specific functions and do not undergo further division.

2. **Characteristic 1 - Cell Wall**: One of the main characteristics of permanent tissues is that their cell walls are thin. This allows for easier transport of substances in and out of the cells.

3. **Characteristic 2 - Vacuole**: Permanent tissue cells typically contain a large vacuole. The vacuole plays a crucial role in maintaining turgor pressure within the cell, which is essential for the structural integrity of the plant.

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