Most marine animals live near the surface of the ocean because of _______ , which supports photosynthesis by marine algae that form the basis of the food chain.
A) air
B) sunlight
C) warmer temperatures
D) thermocline
Correct Answer:
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Q19: The total amount of solid material dissolved
Q20: What happens when fresh water flows into
Q21: Hydrothermal vents provide a unique deep sea
Q22: Density in seawater is determined by_
Q23: Productivity is the amount of carbon fixed
Q25: Why is productivity low in tropical regions?
A)
Q26: Productivity of diatoms is highest in _
Q27: Organisms, such as algae and bacteria, that
Q28: Fish most commonly live_ .
A) in
Q29: Seaweed large marine algae. grows in shallow
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