Although the Maximum Life Span of Humans Has Not Changed

question 47

Multiple Choice

Although the maximum life span of humans has not changed, during the twentieth century life expectancy in the United States has:

• A)decreased for Hispanic individuals.
• B)increased for women but not for men.
• C)increased by 30 years.
• D)decreased because of the numbers of individuals killed in war.

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Definitions:

Species-Specific

Attributes or behaviors that are characteristic of a particular species.

Vulnerability Displays

Behaviors or actions that indicate weakness or a willingness to submit, which can play a role in social interactions among animals, including humans.

Aggression Responses

The behaviors exhibited as a response to perceived threats or challenges, which can be physical or verbal in nature.

Transfer Genes

Genes that can be transferred from one organism to another, potentially altering the genetic makeup of the recipient organism.