Which of the Following Statements Is True

question 102

Multiple Choice

Which of the following statements is true?

• A)U.S.GDP per capita is five times larger than the world average.
• B)According to world standards,12 percent of Americans are poor.
• C)The poorest nations of the world have average incomes of $5,000.
• D)"Extreme poverty" refers to an income of less than $2 per day.

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Definitions:

Natural Selection

A process in evolutionary biology where organisms with traits better suited to their environment are more likely to survive and reproduce, passing those traits to future generations.

Genetic Variations

Differences in DNA sequences among individuals, which contribute to the population's genetic diversity.

Epigenetic Changes

Modifications to the genome that affect gene activity without altering the DNA sequence, often influenced by environmental factors.

Gene Expression

The process by which information from a gene is used to synthesize functional gene products, such as proteins, influencing an organism's traits.