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Ocean acidification caused by climate change is making it harder for creatures from clams to sea urchins to grow their shells, and the trend is likely to be felt most in polar-regions, scientists said this week. A thinning of the protective cases of mussels, oysters, lobsters and crabs is likely to disrupt marine food chains by making the creatures more vulnerable to predators, which could reduce human sources of seafood.
There is little hope that man’s ever growing needs will end but there is hope that nature might come to the aid of the dying shell-building marine life. Like evolution allowed shellfish to exist in the coldest regions of the world, evolution might help dying animals survive in acidifying oceans as well