Which Organisms Play Key Roles in the Cycling of Nitrogen,carbon,and

question 34

Multiple Choice

Which organisms play key roles in the cycling of nitrogen,carbon,and sulfur?

• A) Bacteria
• B) Fungi
• C) Plants
• D) Animals
• E) Archaea

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Definitions:

Leukemia

A medical condition in which bone marrow produces a large number of white blood cells that are not normal.

Potassium

A chemical element with symbol K, essential for life, particularly for heart function and muscle contraction.

Normal range

The set of values that is considered healthy and typical for a specific measurement in medicine, outside of which may signify disease or an abnormal condition.

Blood

A vital fluid in humans and animals that delivers necessary substances like nutrients and oxygen to the cells and transports metabolic waste products away.