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Why is most productivity on open oceans limited to surface waters?
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What limits primary productivity in tropical oceans?
Nutrients are in deeper (colder) waters while light is in surface waters.
What oceans do the great white live in?
Coastal Surface waters in all major oceans.
Are wind-driven currents found near the surface of the ocean or in the deep waters of oceans?
surface
Does the interconnected waters or the oceans cover over 70 percent of the earths surface?
Yes
What causes cold nutrientrich waters to move up to the oceans surface?
ocean fronts
How does upwelling affect the productivity of many regions of the ocean including waters off the coasts of California and Peru?
Upwelling increases productivity by lifting nutrients to the surface.
Do seahorses like the cold?
No, they live in warmer waters along coasts in temperate climates and in the oceans of the tropics. They live in shallow waters so they can stay warmer, until winter when they move to deeper waters to avoid the colder surface water.
Why is most productivity in open oceans limited to surface water?
Areas of the open ocean are often very deep. Primary productivity relies on sunlight, and sunlight only penetrates the first 10m or so (varies widely) of the ocean surface. Therefore, only this surface zone is photosynetically productive, which in turn fuels secondary (small crustaceans, zooplankton, etc.) and tertiary (fish) production.
Why are upwelling waters always cold?
they come from the colder waters on the bottom of the oceans
Where are oceans most seriously affected by pollution?
Any oceans can hold pollution. It is mostly located in ore shallow waters but can flow out into deeper waters.
What causes cold nutrient-rich waters to move up to the oceans surface?
this is one of my favorites questions because my sisters cusins dog always asked this it is idk
What waters are saltwater?
The water in the sea and oceans are saltwater.
