What is upwelling, and why is it so important ...

[KWilfred]

What is upwelling, and why is it so important biologically?

Question 2

In an overturned fold, ____.
 A)both limbs dip in opposite directions
 B)both limbs dip in the same direction
 C)a dome is formed
 D)a basin is formed
 E)fractures are always present

[amcvicar]

Answer to Question 1

Upwelling is a type of vertical transport where cold nutrient rich water from depth is transported to the surface. Because of it's high nutrient content, particularly nitrates and phosphates, plankton in the surface water thrive. Because plankton are a food source for other organisms, the ecosystem as a whole thrives.

Answer to Question 2

B

[KWilfred]

Great answer, keep it coming

[amcvicar]

Thanks for the timely response, appreciate it