On the deep seafloor,organisms are widely distributed ________.
A) because there is little variation and no photosynthesis
B) to avoid predators
C) because they have eaten most of their near neighbors
D) because it is too cold to move and reproduction is slow
Correct Answer:
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Q31: Major fisheries are concentrated in the neritic
Q32: sodium chloride magnesium chloride sodium sulfate carbon
Q33: Productivity in temperate oceans is determined by
Q34: One disadvantage to living near the surface
Q35: Productivity is highest in _.
A)polar oceans
B)tropical oceans
C)temperate
Q37: The advantage for fishers to choose a
Q38: Why is productivity low in tropical regions?
A)because
Q39: In the food chain,each feeding stage is
Q40: Density in seawater is determined by _.
A)temperature
B)salinity
C)both
Q41: Clams,sponges,and other bottom-dwelling animals are called benthos
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