What would happen if the disc of starfish is deprived of all its arms and a single arm is cut with a portion of disc?

Explanation

### Step-by-Step Solution:

1. **Understanding Starfish Anatomy**:
- Starfish belong to the phylum Echinodermata and have a unique body structure characterized by a central disc and multiple arms (usually five).

2. **Regeneration Ability**:
- Starfish possess a remarkable ability to regenerate lost body parts. This process is known as regeneration, which allows them to regrow lost arms or even an entire body from a part of the disc.

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