APFIVE Ecological Impact of Phytoplankton Decline
The observed decrease in the productivity of marine phytoplankton, linked to stratospheric ozone depletion, is a significant environmental concern primarily because:
A
Phytoplankton prevent harmful algal blooms
B
Phytoplankton consume excess carbon dioxide in seawater
C
Phytoplankton regulate ocean temperature
D
Phytoplankton form the base of marine food webs and produce oxygen
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