In earthworm, the ganglia act as________ and eye spots act as

Explanation

### Step-by-Step Solution:

1. **Identify the Organism**: The question refers to the earthworm, a simple organism with a basic nervous system.

2. **Understand the Function of Ganglia**: In earthworms, ganglia are clusters of nerve cells that function similarly to a brain. They control various activities and processes in the body, acting as a central processing unit for the nervous system.

3. **Define Ganglia**: Ganglia are masses of nervous tissue made up of neurons. They are located outside the central nervous system (CNS) and are responsible for transmitting signals throughout the body.

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