The Dynamic Constancy of the Internal Environment of Animals,in Which

question 20

Multiple Choice

The dynamic constancy of the internal environment of animals,in which conditions such as temperature,pH,and nutrient concentrations are kept within narrow limits,is termed

• A) negative feedback loop.
• B) the set point.
• C) osmoregulation.
• D) homeostasis.

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Definitions:

Bushels

A unit of volume that is used primarily in the United States to measure agricultural products such as grain.

Marginal Cost

The expense of fabricating another single unit of a product or service.

Average Variable Cost

The total variable costs of production divided by the quantity of output, showing the average cost of producing each unit excluding fixed costs.

Average Total Cost

The total cost of producing a certain quantity of a good divided by that quantity, representing the cost per unit of output.