Natural Selection Is Nature's Mechanism for Selecting Characteristics That Best

question 10

Multiple Choice

Natural selection is nature's mechanism for selecting characteristics that best adapt the animal to its environment. Mammals have evolved a sophisticated mechanism for eliminating nitrogenous wastes that involves

• A)secretion through cell membranes.
• B)forming urea and storing it in concentrated solution.
• C)producing uric acid and excreting it with feces.
• D)recycling urea and using it as an energy source.

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Definitions:

CAT Scans

Imaging tests that use computerized axial tomography to create detailed images of the inside of the body.

Brain Damage

Brain damage involves injury to the brain that can result in impairments or disabilities in cognitive, physical, or emotional functioning.

MRI

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Neuroanatomy

The study of the structure and organization of the nervous system, including its various parts and how they're interconnected.