Refer to the Figure

question 141

Essay

Refer to the figure. Using this generalized diagram of a nutrient (biogeochemical) cycle, explain the importance of detritus and detritivores in the movement of nutrients through the system.Include the concepts of pools and fluxes.

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Definitions:

Fovea

A tiny pit located in the macula of the retina that provides the clearest vision of all by having a high concentration of cones and no rods.

Color Vision

The ability of the visual system to distinguish objects based on the wavelengths of the light they reflect or emit.

Dark Adaptation

The method through which eyes enhance their ability to perceive dimly lit environments.

Rods

Photoreceptor cells in the retina of the eye that are sensitive to low levels of light and are primarily responsible for night vision.