Which of the Following Measures of Cost Is Best Described

question 596

Multiple Choice

Which of the following measures of cost is best described as "the increase in total cost that arises from an extra unit of production?"

• A)variable cost
• B)average variable cost
• C)average total cost
• D)marginal cost

---

Definitions:

Endemic Species

Species that are native to and can be found only within a specific geographic area.

Keystone Species

A species that plays a critical role in maintaining the structure of an ecological community, affecting many other organisms in an ecosystem.

Pioneer Species

The first species to colonize previously disrupted or damaged ecosystems, starting a chain of ecological succession that ultimately leads to a more biodiverse steady-state ecosystem.

Herbivory

The eating of plants by animals, a biological interaction essential for energy transfer in many ecosystems.