Define reparative regeneration with examples.

Explanation

### Step-by-Step Text Solution:

1. **Definition of Reparative Regeneration**:
- Reparative regeneration is a biological process through which certain organisms can repair or regenerate damaged or lost body parts. This process allows the organism to restore its structure and function after injury or loss.

2. **Mechanism of Reparative Regeneration**:
- When an organism experiences damage to its body, specialized cells are activated to begin the repair process. These cells can proliferate and differentiate into the necessary cell types to rebuild the lost or damaged tissue.

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