Why are phytoplankton critical for marine life?

a. They are large contribution to marine food webs
b. They generate massive amounts of atmospheric oxygen
c. They are able to bind billions of tons of carbon into carbohydrates
d. All of these choices


ANS: D
Phytoplankton are important to all life on Earth, not just marine life. They are responsible for binding
at least 35 billion metric tons of carbon into carbohydrates for use by animals. This is 45% of all
photosynthetic food generated on our planet. Information can be found in the section Phytoplankton
are Autotrophs.

Environmental & Atmospheric Sciences

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Environmental & Atmospheric Sciences

A/An ________ is a series of large tanks that begin with anaerobic treatment and follows with plants and biological life forms that would live in various wetland areas

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Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

Environmental & Atmospheric Sciences