Oceans and Fisheries Review

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Name four ways oceans are important to humans

provide food (fish, seaweed), control the weather/climate, produce most of the world's oxygen, source of wave and tidal energy

What are the single-cell algae that form the base of the food chain called?

phytoplankton

What is the continental shelf and why is it the most productive part of the ocean?

the area just off the coast, shallow enough to work in (oil/gas, fishing), gets nutrients from the land which support big fisheries

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