Examlex
The element ________ makes up the chemical backbone of most molecules on planet Earth.
Light Adaptation
The process by which the eye adjusts to bright light after being in dim conditions, involving the dilation and contraction of the pupil among other responses.
Dark Adaptation
A physiological process wherein the eyes adjust to low light conditions, enhancing the ability to see in darkness.
Rods
Photoreceptor cells in the retina of the eye that are responsible for vision in low light conditions.
Cones
Photoreceptor cells in the retina of the eye that are responsible for color vision and function best in relatively bright light.
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