Generations of Scientists Have Debated Whether the Neandertals Were Ancestral

question 48

Multiple Choice

Generations of scientists have debated whether the Neandertals were ancestral to modern Europeans. The current prevailing view, which denies the ancestry, proposes that

• A) Neandertals died out because they retained too many australopithecine characteristics that were poorly adapted to the northern latitudes.
• B) Neandertals migrated eastward through Siberia and into the Americas until they died out.
• C) H. erectus killed off the Neandertals even prior to the emergence of anatomically moderns humans (AMHs).
• D) H. erectus split into separate groups, one ancestral to the Neandertals, the other ancestral to AMHs, who first reached Europe around 100,000 B.P., long before Neandertals.
• E) modern humans evolved in Africa and eventually colonized Europe, displacing the Neandertals there.

Determine the break-even point in units and dollars, and understand its significance for business planning.

Calculate and interpret contribution margin and contribution margin ratio.

Apply the high-low method to estimate variable and fixed costs.

Understand the concept and calculation of the margin of safety.

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Definitions:

Cultural Practices

Refers to the habits, rituals, and traditions specific to a community or society that reflect their values, beliefs, and way of life.

Distinctive Sets

Collections of elements or items that are clearly different or distinguished from others in specific ways.

Occupations

The various professions, jobs, or ways individuals earn a living and contribute to the economy.

Ancestry

The lineage or historical lineage of a person or group, tracing back generations.