Interactions in the Web of Life May Act as an Evolutionary

question 13

Multiple Choice

Interactions in the web of life may act as an evolutionary force because

• A) they may decrease the fitness of an organism.
• B) they may increase the fitness of an organism.
• C) they may increase or decrease the fitness of an organism.
• D) they have no effect on the fitness of an organism.

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Definitions:

Urine Osmolality

A measure of the concentration of solutes in urine, which can provide insight into the body's water balance and kidney function.

Urine Volume

The total amount of urine excreted by the kidneys over a specified period, an important indicator of kidney and overall fluid balance.

ADH

Antidiuretic hormone, also known as vasopressin, which helps regulate water balance in the body by increasing the uptake of water in the kidneys.

Natriuretic Hormone

Hormones, such as atrial natriuretic peptide, that help to regulate fluid balance and blood pressure by increasing the excretion of sodium and water from the kidneys.