The Heritability Coefficient for Intelligence Is

question 65

Multiple Choice

The heritability coefficient for intelligence is .50. This means that:

• A) 50 percent of the variation of intelligence between groups of people is related to genetic factors.
• B) 50 percent of the variation of intelligence in a group of people is related to environmental factors.
• C) 50 percent of the variation of intelligence within a group of people is related to genetic factors.
• D) 50 percent of the variation in the intelligence of an individual is related to genetic factors.

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Definitions:

Introducing New Species

The act of bringing a species into an ecosystem where it does not naturally occur, potentially disrupting local ecosystems.

Population Change Curve

A graph that shows how the size of a population changes over time.

Volatile

Characterized by rapid and unpredictable changes or fluctuations, often used to describe chemical substances that easily vaporize at normal temperatures or financial markets prone to rapid changes.

R-Selected Species

Species that produce a large number of offspring with a low probability of survival into adulthood, often adapting to unstable environments.