According to Life-Span Developmentalist Paul Baltes,the Benefits Conferred by Evolutionary

question 26

Multiple Choice

According to life-span developmentalist Paul Baltes,the benefits conferred by evolutionary selection decrease with age.Natural selection has not weeded out many harmful conditions and nonadaptive characteristics that appear among older adults.Why?

• A)Degeneration aids in the transmission of desirable traits to future generations.
• B)Natural selection operates primarily on characteristics that are tied to reproductive fitness.
• C)Human evolution has no effect on previous generations.
• D)Evolved mechanisms are always adaptive in contemporary society.

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Definitions:

Descriptive Statistics

Statistical measures that describe and summarize the main features of a collection of data without drawing conclusions about a larger population.

Histogram

A graphical representation that displays the distribution of data using bars of different heights.

Age Distribution

The frequency of different ages or age groups in a given population.

Estimate

A value calculated from sample data that is used to indicate the value of a population parameter.