Phytoplankton Is Comprised of Photosynthetic Protists and Bacteria

question 28

Multiple Choice

Phytoplankton is comprised of photosynthetic protists and bacteria.For the most part,humans do not consume phytoplankton.Why,then,are they important to humans?

• A)They are food for many marine organisms that humans eat.
• B)They release a lot of carbon dioxide into the atmosphere.
• C)They cause serious illness in humans.
• D)They are not important to humans.

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Definitions:

Yards

A unit of length equal to 3 feet or 36 inches, used in both the imperial and US customary systems.

Inches

A unit of length in the United States customary and British imperial systems, equal to one-twelfth of a foot or exactly 2.54 centimeters.

Conversion Formula

A mathematical formula used to convert measurements from one unit to another.