Examlex
What characteristic feature of Pennsylvanian rocks distinguishes rocks of the Absaroka sequence from those of the Kaskaskia sequence, as well as others in North America?
Excitation
A process that increases the likelihood or strength of a response in neural or physiological systems.
Dark Adaptation
The process by which the eyes increase their sensitivity to low levels of light.
Rods
Photoreceptor cells in the retina of the eye that function in low light conditions and are responsible for night vision.
Cones
Cells in the eye's retina called photoreceptors are accountable for perceiving color and operate optimally in well-lit conditions.
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