Spiders have 6 pairs of appendages.

Answer

To determine whether the statement "Spiders have 6 pairs of appendages" is true or false, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Classification of Spiders**:
- Spiders belong to the phylum Arthropoda and the class Arachnida.

2. **Understand the Structure of Spider Appendages**:
- Spiders have a total of 8 legs, which means they have 4 pairs of legs.

3. **Compare with Insects**:
- Insects, which are also part of the Arthropoda phylum, have 6 legs, which means they have 3 pairs of legs.

4. **Clarify the Statement**:
- The statement claims that spiders have 6 pairs of appendages. Since spiders have 4 pairs of legs (not 6), the statement is incorrect.

5. **Conclusion**:
- Therefore, the statement "Spiders have 6 pairs of appendages" is **false**.