Australopithecus Africanus Is Now Seen as Representing

question 48

Multiple Choice

Australopithecus africanus is now seen as representing:

• A) a branch of the hominin line that led to extinction
• B) a direct ancestor in the line that led to us
• C) a recent evolutionary throwback
• D) the oldest fossil evidence for hominins in Australia

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Definitions:

Relevant Range

The range of activity or volume over which the assumptions about variable and fixed cost behaviors hold true, beyond which cost patterns may change.

Cost Behavior

The way in which a cost reacts to changes in the level of activity.

Fixed Cost

Costs that do not change with the level of production or output, remaining constant even as volume changes.

Relevant Range

The range of activity within which the assumptions about fixed and variable costs are valid. Beyond this range, cost behaviors may change.