The organism that is most affected by increasing the acidity of water is the clam.
One of the factors that affect aquatic organism is the pH of the water. The pH is a measure of the acidity or alkalinity of the water body. The pH of water bodies could be increased by phenomena such as acid rain, industrial waste disposal etc.
The organism that is most affected by increasing the acidity of water is the clam because acidity of water affects the availability of CaCO3 in water which is necessary for the formation of a carbonaceous shell.
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