Color Vision Declines with Age Because of

question 124

Multiple Choice

Color vision declines with age because of

• A) the yellowing of the lens of the eye.
• B) a decline in the effectiveness of the cones to discriminate colors.
• C) cataracts preventing certain parts of the light spectrum from entering the lens of the eye.
• D) a reduction in the light entering the peripheral area of the visual field.

---

Definitions:

Vascular Tissue

The complex tissue in plants that conducts water and nutrients through the plant body.

Cortex

The outer layer of various organs or structures, such as the brain's cerebral cortex, involved in high-level functions including consciousness, memory, and thought, or the kidney's cortex, involved in filtration and blood processing.

Tracheids

Water-conducting cells in the xylem of vascular plants that are elongated, with thickened cell walls and tapered ends, contributing to the support and transportation of water and minerals.

Vessel Elements

Shorter, wider plant cells than tracheids, found in the xylem, which efficiently transport water and nutrients vertically through the plant.