A New, Sixth Global Mass-Extinction Event Appears to Be Occurring

question 72

Multiple Choice

A new, sixth global mass-extinction event appears to be occurring on Earth today. The most likely explanation for the dramatic loss of species is

• A) global warming.
• B) natural fluctuations in global temperatures and precipitation.
• C) the evolution of new types of viruses.
• D) human activity that alters natural environments.
• E) decreases in atmospheric levels of oxygen.

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Definitions:

Retributivist

A philosophy of punishment where the focus is on the offender receiving a punishment proportional to the crime committed, based on the principle of just desert.

Utilitarian

A philosophical approach that emphasizes the greatest good for the greatest number of people as the primary consideration in decision making.

Future

The period of time that will come after the present, which has yet to occur and is unknown.

Perspective

A particular attitude toward or way of regarding something; a point of view that influences one's thoughts and behavior.