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In 2010, American Society's Median Age Was Almost _____, Up

question 31

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In 2010, American society's median age was almost _____, up from 30 in 1980.


Definitions:

Trait

A distinguishing quality or characteristic, typically one belonging to a person.

Behavior

The observable actions or responses of humans or animals in response to external or internal stimuli.

Genes

Units of heredity made up of DNA that act as instructions to make molecules called proteins, influencing the development, functioning, and reproduction of organisms.

Behavior Geneticists

Scientists who study the genetic and environmental influences on human behavior, often through twin and adoption studies.

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