Which of the Following Statements About Racial Differences in IQ

question 186

Multiple Choice

Which of the following statements about racial differences in IQ is false?

• A)The variability within any given race tends to be much smaller than the variability between races.
• B)Differences among races may be narrowing over the decades.
• C)Racial differences are largely or entirely environmental in origin.
• D)When matched for socioeconomic,demographic,and health variables,there are no racial differences.

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Definitions:

Inverted Ecological Pyramids

describe situations in ecosystems where higher trophic levels have greater biomass or numbers than lower levels, contrary to the typical pyramid shape.

Aquatic Ecosystems

Environments in water where organisms interact with each other and with their surrounding physical environment, including oceans, lakes, and rivers.

Nitrification

A microbial process by which ammonia is oxidized to nitrites and then nitrates, a crucial part of the nitrogen cycle in soils.

Nitrate

A polyatomic ion with the chemical formula NO3- or a compound containing this ion, commonly utilized by plants in nitrogen assimilation.