What ecosystem has the highest rate of primary productivity?
A) Savanna
B) Agricultural land
C) Algal beds and reefs
D) Boreal forest
E) Tropical rain forest
Correct Answer:
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Q35: Which process is not involved in the
Q36: Dissolved phosphorus in aquatic ecosystems may return
Q37: What is the third trophic level of
Q38: Fixation of carbon is accomplished by
A) photosynthetic
Q39: To date, humans have interfered with all
Q41: Which of the following directly drives ocean
Q42: How are bacteria important to the genus
Q43: The Coriolis effect results in the
A) rising
Q44: The enzyme nitrogenase is important in which
Q45: In large measure, differences in _ that
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