Imagine that you are at the beach. You can observe sea urchins, clams, seaweed, and fish in the ocean. Which organisms will be more affected by the increasing acidity of the ocean?
claims
sea urchins
fish
seaweed
sea urchins may be vulnerable to increasing acid levels in the ocean. Ocean acidification could interfere with the urchins' ability to transform calcium, magnesium and other minerals from seawater into their “tests” (the white shell left when the animal dies), spines and teeth.
