Why is cockroach called a nocturnal animal?

Explanation

### Step-by-Step Solution:

1. **Definition of Nocturnal**: The term "nocturnal" refers to animals that are active during the night and rest during the day. These animals typically have adaptations that help them thrive in low-light conditions.

2. **Behavior of Cockroaches**: Cockroaches are primarily active at night. They come out to feed and move around when it is dark, which is a characteristic behavior of nocturnal animals.

3. **Adaptation to Darkness**: Cockroaches have developed certain adaptations that allow them to navigate and survive in the dark. Their sensory organs are well-developed, which helps them detect food and avoid obstacles even in low light.

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