The Primary Reason Why Southern Sea Otter Recovery Is Important

question 30

Multiple Choice

The primary reason why southern sea otter recovery is important is because they ____.

• A) are educational
• B) are a keystone species
• C) encourage tourism
• D) eliminate common pests
• E) have luxurious,thick fur

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Definitions:

Long-run Average Total Cost

The cost per unit of output in which all inputs, including capital, are variable, showing economies and diseconomies of scale over time.

Increasing Returns to Scale

A situation in which a proportional increase in all inputs results in a more than proportional increase in output, demonstrating economies of scale.

Law of Diminishing Returns

An economic principle stating that, holding all else constant, as one input variable is increased, there is a point at which the marginal per unit output starts decreasing.