A study by the Max Planck Institute for Multidisciplinary Sciences and the University of Bonn has shown that pH value is crucial for sperm motility in sea urchins and salmon. An increase in pH ...
The long-spined sea urchin (Diadema antillarum) is a key algae grazer in the Caribbean. A disease outbreak in the 1980s killed off most of the urchins, resulting in the overgrowth of many Caribbean ...
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