To which phyla do the following animals belong and why?
Taenia (tapeworm)
Phylum: ------------
____________
Reason:__________________
_________________________.

Explanation

**Step-by-Step Solution:**

1. **Identify the Animal:** The animal in question is Taenia, commonly known as the tapeworm.

2. **Determine the Phylum:** Taenia belongs to the phylum **Platyhelminthes**.

3. **List the Reasons:**
- **Flat Body Structure:** Tapeworms have a flat, ribbon-like body which is characteristic of the Platyhelminthes.
...