The effect of has led to the decline of calcium-forming phytoplankton as well as coral reef polyps.
A) pollution
B) a warming ocean
C) increased sedimentation rates
D) ocean acidification

Question

Quizplus · Accepted Answer

Ocean acidification, caused by increased CO2 levels, reduces the availability of carbonate ions needed by calcium-forming organisms like phytoplankton and coral polyps.

The Effect of Has Led to the Decline of Calcium-Forming