Multiple Choice
Which of the following aquatic ecosystems has the highest net primary productivity?
A) lakes
B) rivers and streams
C) hydrothermal vents
D) continental shelf
E) estuaries
Correct Answer:

Verified
Correct Answer:
Verified
Q32: CO₂ promotes the _ that warms the
Q49: Atmospheric nitrogen can be used directly by
Q136: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6698/.jpg" alt=" -On the generalized
Q137: The following is a correct example of
Q140: Which of the following statements is incorrect
Q142: Science<br>A) studies the past to predict the
Q143: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6698/.jpg" alt=" -Which two terrestrial
Q144: The part of Earth where air,water,soil and
Q145: Energy can be formally defined as<br>A) the
Q146: Most land species rely on insects for