News tagged with sea urchins

Sea urchins cope with rising CO2 levels

( —Increasing levels of carbon dioxide (CO2) in the atmosphere are causing oceans to become more acidic. This situation poses a threat to marine organisms with shells made of calcium carbonate, because acid will ...

dateApr 09, 2013 in Plants & Animals report
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Coral comeback: Reef 'seeding' in the Caribbean

Mats of algae and seaweed have shrouded the once thick coral in shallow reefs off Jamaica's north coast. Warm ocean waters have bleached out the coral, and in a cascade of ecological decline, the sea urchins and plant-eating ...

dateFeb 26, 2013 in Environment
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The origins of a genetic switch

Cilia, microscopic whip-like organelles that protrude from the surface of many cell types, are almost ubiquitous. They are present in all eukaryotes—organisms whose cells have a nucleus—and have diversified to perform ...

dateJan 02, 2013 in Biotechnology
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