Vision Flashcard

Front

What is vision?

Back

Vision is the ability to see and interpret the surrounding environment using light.

Front

What are light receptors?

Back

Light receptors are special cells in the eyes that detect light and help us see.

Front

What is the difference between nocturnal and diurnal animals?

Back

Nocturnal animals are active at night and have adaptations to see in low light, while diurnal animals are active during the day and see well in bright light.

Front

What does 'high sensitivity light receptors' mean?

Back

High sensitivity light receptors can detect very low levels of light, allowing animals to see in dark conditions.

Front

What does 'low sensitivity light receptors' mean?

Back

Low sensitivity light receptors require more light to function effectively, making it difficult to see in dark conditions.

Front

Why do nocturnal animals prefer low light environments?

Back

Nocturnal animals prefer low light environments because their eyes are adapted to see better in darkness.

Front

How do flashlights help us see?

Back

Flashlights provide artificial light that illuminates objects, making them visible to our eyes.

Front

What is the best way to use a flashlight to see something clearly?

Back

The best way to use a flashlight is to shine it directly on the object you want to see.

Front

Can animals see in complete darkness?

Back

No, animals cannot see in complete darkness; they need some light to see.

Front

What happens to our vision in bright light?

Back

In bright light, our pupils constrict to limit the amount of light entering the eye, helping us see better.