Which of the Following Contributed to the Terrestrial Mass Extinctions

question 1

Multiple Choice

Which of the following contributed to the terrestrial mass extinctions during the end-Permian extinction?

• A) global warming caused by CO₂ emissions from volcanic activity
• B) toxic metal poisoning caused by toxic metal emissions from lava flow
• C) increased UV-B radiation from ozone depletion by Cl, F, and NOx emissions
• D) acid rain caused by Cl, F, NOx, and SO2 emissions
• E) all of the above

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Definitions:

Rotifera

A phylum of microscopic and near-microscopic pseudocoelomate animals known for their wheel-like ring of cilia at their front ends.

Abdominal Assessment

A systematic examination of the abdomen to check for signs of disease or abnormality, involving inspection, palpation, percussion, and auscultation.

Auscultation

The act of listening to sounds within the body, often using a stethoscope, to assess and diagnose various health conditions.

Palpation

The method of feeling with the hands or fingers during a physical examination to detect characteristics or conditions of the body.