Compilation of Data from Many Experiments on Nutrients and NPP

question 54

Multiple Choice

Compilation of data from many experiments on nutrients and NPP in marine ecosystems shows that ecosystems with hard bottoms are generally limited by _____, while soft-bottomed ecosystems are generally limited by _____.

• A) nitrogen; phosphorus
• B) nitrogen; nitrogen and phosphorus
• C) phosphorus; nitrogen
• D) phosphorus; nitrogen and phosphorus

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Definitions:

Organic Material

Matter obtained from living organisms, typically consisting of compounds like carbohydrates, proteins, lipids, and nucleic acids.

Blast Wave

A high-energy shock wave resulting from an explosion, characterized by an abrupt increase in pressure and velocity of the surrounding medium.

Electromagnetic Wave

Waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy.

Plastic Explosives

A type of explosive material that is moldable or flexible, used in military and demolition applications.