If All Prokaryotes on Earth Suddenly Vanished, Which of the Following

question 34

Multiple Choice

If all prokaryotes on Earth suddenly vanished, which of the following would be the most likely and most direct result?

• A) The number of organisms on Earth would decrease by 10-20%.
• B) Human populations would thrive in the absence of disease.
• C) Bacteriophage numbers would dramatically increase.
• D) The recycling of nutrients would be greatly reduced, at least initially.
• E) There would be no more pathogens on Earth.

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Definitions:

Neurological

Pertaining to the study and treatment of disorders of the nervous system.

Nephrology

A branch of medicine that focuses on the diagnosis and treatment of kidney diseases.

Leukemia

A cancer variety that targets the blood and bone marrow, evidenced by the excessive proliferation of abnormal white blood cells.

Cardiomyopathy

A condition affecting the heart muscle, leading to a decreased ability for the heart to circulate blood throughout the body.