Members of which phylum are known as flatworms?

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the phylum to which flatworms belong.

2. **Identifying Flatworms**: Flatworms are a group of worms characterized by their flat body shape.

3. **Naming the Phylum**: The scientific name for the phylum that includes flatworms is "Platyhelminthes."

4. **Characteristics of Platyhelminthes**: Members of this phylum are:
- Triploblastic: They have three germ layers (ectoderm, mesoderm, and endoderm).
- Bilaterally symmetrical: Their body can be divided into two identical halves along one plane.

5. **Examples of Flatworms**: Common examples of flatworms include:
- Tapeworms
- Liver flukes

6. **Final Answer**: Therefore, the members of the phylum known as flatworms are classified under "Platyhelminthes."

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