Deserts and tundra have low primary productivity. Which of the following does NOT contribute to this phenomenon.
A) Extreme temperatures.
B) Low precipitation.
C) High species diversity.
D) A short growing season.
What is the correct order for the components of the pelagic zone (shallowest to deepest)?
A) Abyssal, aphotic, photic.
B) Photic, abyssal, aphotic.
C) Photic, aphotic, abyssal.
D) Abyssal, photic, aphotic.
Upwelling occurs when _____.
A) Tidal currents push deep sea water to the surface.
B) Cold air coming off continental land masses cools the surface ocean.
C) The thermocline disappears due to the downward movement of warm surface water.
D) Warm surface waters are pushed offshore.
Gravity is least effective at removing water from which soil type?
In which of the following regions would you expect to find photosynthetic organisms?
A) the aphotic zone, the neritic zone, the oceanic zone, and the benthic realm
B) the photic zone, the intertidal zone, the neritic zone, and the oceanic zone
C) the photic zone, the abyssal zone, the neritic zone, and the oceanic zone
D) the pelagic realm, the aphotic zone, the neritic zone, and the oceanic zone
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