How do plants continue to grow all their lifespan ?

Explanation

### Step-by-Step Solution:

1. **Understanding Plant Growth**: Plants have the ability to grow throughout their lifespan, which is a unique characteristic compared to many other organisms. This continuous growth is primarily due to specific types of tissues present in plants.

2. **Meristematic Tissue**: The key to continuous growth in plants lies in the presence of meristematic tissue. This tissue is composed of cells that have the ability to divide continuously. Meristematic cells are undifferentiated and can develop into various types of specialized cells.

3. **Types of Meristematic Tissue**:
- **Apical Meristem**: Located at the tips of roots and shoots, this type of meristem is responsible for the vertical growth of the plant. It allows the plant to grow taller.
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