Why Do Biologists Refer to the "Theory" of Evolution Instead

question 17

Multiple Choice

Why do biologists refer to the "theory" of evolution instead of the "fact" of evolution?

• A)Because evolution is not universally believed.
• B)Because it is impossible to scientifically test evolutionary principles.
• C)Because the theory of evolution summarizes a whole set of scientific facts.
• D)Because only theories that have been proven true may be referred to as "facts."

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Definitions:

ATC

Stands for Average Total Cost, which is the total cost of production divided by the quantity of output produced.

AVC

Average Variable Cost, the variable cost per unit of output.

MC

Marginal Cost, the increase in cost that arises from producing one additional unit of a good or service.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance.