AP BIOLOGY

Detailed explanation-1: -These specialized cells are called photoreceptors. There are 2 types of photoreceptors in the retina: rods and cones. The rods are most sensitive to light and dark changes, shape and movement and contain only one type of light-sensitive pigment.

Detailed explanation-2: -Two types of photoreceptors reside in the retina: cones and rods. The cones are responsible for daytime vision, while the rods respond under dark conditions. The cones come in three varieties: L, M, and S types (for long, middle, and short wavelength).

Detailed explanation-3: -Photoreceptors are neurons in the retina of the eye that change visible light from the electromagnetic spectrum into signals that are perceived as images or sight. Rods and cones are two types of photoreceptors located at the back of the eye. Cones allow us to see color.

Detailed explanation-4: -There are 2 types of photoreceptors: rods, which detect dim light and are used for night vision, and cones, which detect different colors and require brightly lit environments. Humans have 3 distinct color-sensing cones-for red, green, and blue light.

Detailed explanation-5: -Rods are a type of photoreceptor cell in the retina. They are sensitive to light levels and help give us good vision in low light. They are concentrated in the outer areas of the retina and give us peripheral vision.