Which of the Following Statements About the Evolution of Life

question 57

Multiple Choice

Which of the following statements about the evolution of life histories is correct?

• A) Stable environments with limited resources favor r-selected populations.
• B) K-selected populations are most often found in environments where density-independent factors are important regulators of population size.
• C) Most populations have both r- and K-selected characteristics that vary under different environmental conditions.
• D) The reproductive efforts of r-selected populations are directed at producing just a few offspring with good competitive abilities.
• E) K-selected populations rarely approach carrying capacity.

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Definitions:

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Emergency Number

A phone number that is called in a critical situation to get immediate help from emergency services.

Coughing Vigorously

Forceful exhalation through the airways aimed at clearing them of irritants, mucus, or foreign particles.

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An emergency procedure to expel foreign objects from the airway of a choking victim, also known as the Heimlich maneuver.