How up-welling affect ocean life?

How currents affect climate and weather?

3 answers

Upwelling:
Read http://www.montereyinstitute.org/noaa/lesson08/l8la2.htm

Currents:
Read about the gulfstream current.
http://geography.about.com/od/physicalgeography/a/gulfstream.htm
THX
Dasar aldwin