Australopithecus Africanus Has Derived Features Not Shared with Humans

question 59

Multiple Choice

Australopithecus africanus has derived features not shared with humans. These include

• A) a fully bipedal gait.
• B) large canines.
• C) heavy chewing adaptations.
• D) a modified pelvis.

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Definitions:

ATC

stands for Average Total Cost, which is the sum of all production costs divided by the quantity of output produced; it combines average fixed and variable costs.

MR

Stands for Marginal Revenue, which is the additional income received from selling one more unit of a product or service.

Short Run

A time period in economics during which at least one input is fixed, limiting the ability of the economy or firm to adjust to changes in demand or supply.

AVC

Average Variable Cost, the total variable costs (labor, materials, etc.) divided by the quantity of output produced, illustrating how variable costs change with the level of output.