Data Show That the Poorest U.S.demographic Group Is

question 68

Multiple Choice

Data show that the poorest U.S.demographic group is

• A)the elderly because Social Security payments have not kept pace with inflation
• B)the elderly because they have no steady income
• C)the elderly because poverty increases with age
• D)households headed by someone under 18 years of age
• E)households headed by someone between 40 and 50 years old

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Definitions:

Acquired Characteristics

Traits that are gained by an organism after birth as a result of external influences or its own actions, not inherited genetically.

Lysenko

A controversial figure in the history of Soviet biology, Trofim Lysenko rejected Mendelian genetics in favor of his own agricultural theories, leading to widespread agricultural disaster.

Natural Selection

A fundamental mechanism of evolution where organisms better adapted to their environment are more likely to survive and reproduce.

Evolutionary Theory

A scientific theory that explains the diversity of life on Earth by proposing that life evolves over time through processes of natural selection and genetic variation.