Who was first to report regeneration in Hydra?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Regeneration**: Regeneration is a form of asexual reproduction where an organism can grow back lost body parts or develop new individuals from fragments of its body.

2. **Examples of Organisms**: This process is commonly observed in organisms such as Hydra, Planaria, and Flatworms.

3. **Historical Context**: The question asks about the first report of regeneration specifically in Hydra.

...