What is the purpose of photoreceptors?(1 point)
Responses
They receive light and turn it into an image.
They receive light and turn it into an image.
They contract and relax to control the pupil.
They contract and relax to control the pupil.
They change light to electrical signals.
They change light to electrical signals.
They focus the light coming into the eye.
5 answers
They receive light and turn it into an image.
In which organizational level is the eye?(1 point)
Responses
cells
cells
tissues
tissues
organs
organs
organ systems
Responses
cells
cells
tissues
tissues
organs
organs
organ systems
organs
Many parts of the eye work to focus or control light except the(1 point)
Responses
retina.
retina.
cornea.
cornea.
lens.
lens.
pupil.
Responses
retina.
retina.
cornea.
cornea.
lens.
lens.
pupil.
retina.