APFIVE Ecological Impact of Phytoplankton Decline
Scientists studying the effects of stratospheric ozone depletion on marine ecosystems have observed decreased productivity in phytoplankton populations. This observation is most concerning because:
A
Phytoplankton prevent harmful algal blooms
B
Phytoplankton consume excess carbon dioxide in seawater
C
Phytoplankton form the base of marine food webs and produce oxygen
D
Phytoplankton regulate ocean temperature
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