Some animals such as owls have better vision than us in the dark. Which component of their eyes must be different from that of humans for them to possess this quality?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: We need to identify which component of the eyes of owls differs from that of humans, allowing them to see better in the dark.

2. **Identifying Eye Components**: Both humans and owls have eyes that contain two main types of photoreceptor cells: rod cells and cone cells.

3. **Function of Rod Cells**: Rod cells are responsible for vision in low light conditions. They are more sensitive to light than cone cells and allow for night vision.

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