OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Compared to land, the open oceans
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are nutrient-rich environments
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are rich in silica and iron
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are nutrient-poor environments
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contain unlimited hydrogen
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Explanation:
Detailed explanation-1: -Answer: Option B Solution: Compared to land, the open oceans are nutrient-poor environments.
Detailed explanation-2: -Nutrients in the ocean are cycled by a process known as biological pumping, whereby plankton extract the nutrients out of the surface water and combine them in their organic matrix. Then when the plants die, sink and decay, the nutrients are returned to their dissolved state at deeper levels of the ocean.
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