Sense of Sight & Tropisms

Front

The movement that plants make in response to stimuli are called ___________.

Back

tropisms

Front

___________ is a form of energy that travels in waves.

Back

Light

Front

The back part of the eye is called the _________. It has millions of cells that respond to light.

Back

retina

Front

The _______ sits behind the pupil and is responsible for focusing the light rays onto the back part of the eye.

Back

lens

Front

The first layer of the eye is the __________. This part of the eye focuses the light into the pupil.

Back

cornea

Front

What is the function of the retina in the eye?

Back

The retina converts light into electrical signals that are sent to the brain.

Front

What is the role of the lens in the eye?

Back

The lens focuses light rays onto the retina.

Front

What is a tropism? Give an example.

Back

A tropism is a growth response of a plant to a stimulus. For example, phototropism is when a plant grows towards light.

Front

What part of the eye controls the amount of light entering?

Back

The iris controls the amount of light entering the eye.

Front

What is the cornea's role in vision?

Back

The cornea helps to focus light as it enters the eye.