Correct the wrong statements among the following:
(a) In earthworm, a single male genital pore is present.
(b) Setae help in locomotion of earthworm.
(c) Muscular layer in the body wall of earthworm is made up of only circular muscles.
(d) Typhlosole is the part of intestine of earthworm.

Explanation

To correct the wrong statements regarding the earthworm, let's analyze each statement one by one:

### Step-by-Step Solution:

1. **Statement (a)**: "In earthworm, a single male genital pore is present."
- **Correction**: This statement is incorrect. Earthworms have a **pair of male genital pores**. Each earthworm has two male genital pores located on segment 15.

2. **Statement (b)**: "Setae help in locomotion of earthworm."
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