News
Jun 2, 2009
Seastar thrives in more acid waters
While studies indicate that shelled marine organisms such as sea urchins, crustaceans and molluscs are likely to find life more difficult in the higher acidity seas of the future, the news isn't as bleak for a species of seastar. Researchers from the University of British Columbia, Canada, have found that the growth rate of Pisaster ochraceus, a relative of the sea urchin, which has an internal skeleton of hundreds of tiny ossicles rather than an external shell, increased under a doubling of carbon dioxide concentration.
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