Plants respond to gravity:

• True

• False

Plants aren’t able to respond to stimuli:

• True

• False

In which structure are the sense receptors for balance located in the ear?

• inner ear

• middle ear

• nasal cavity

• spinal cord

A plant responds to light by ________ towards it:

• growing

• absorbing water

• absorbing nutrients

• dying

The retina changes images to electric signals:

• True

• False

Chemoreceptors on the tongue are called:

• taste glands

• taste buds

• odor glands

• cones

Odors are molecules that are detected by chemical receptors, called ______

• smell receptos

• taste glands

• chemoreceptors

• memory buds

An area at the back of the eye that has two types of cells – rod cells and cone cells with photoreceptors.

• iris

• lens

• cornea

• retina

A thin membrane that protects the eye and changes the direction of light rays:

• pupil

• cornea

• iris

• lens

Auditory receptors detect light.

• True

• False