Animals This frog mysteriously re-evolved a full set of teeth. Animals Wild Cities Wild parakeets have taken a liking to London. Animals Wild Cities Morocco has 3 million stray dogs. Meet the people trying to help. Animals Whales eat three times more than previously thought. Environment Planet Possible India bets its energy future on solar—in ways both small and big. Environment As the EU targets emissions cuts, this country has a coal problem.
Paid Content How Hong Kong protects its sea sanctuaries. History Magazine These 3,year-old giants watched over the cemeteries of Sardinia. Magazine How one image captures 21 hours of a volcanic eruption. Science Why it's so hard to treat pain in infants. Science The controversial sale of 'Big John,' the world's largest Triceratops. When polluted runoff and wastewater enter the marine environment, they carry chemicals, nutrients, and bacteria that can be harmful to coral reefs and spur the growth of algae that competes with corals for space.
Most reef-building corals depend upon zooxanthellae tiny little algae that grow inside of them to photosynthesize and provide food. Though it varies largely on geography and the species of coral, many reef-building corals have a narrow temperature range in which they can thrive. People often mistake corals for plants or even rocks, but corals actually consist of colonies of living invertebrate animals.
Are corals animals or plants? What is a coral reef made of? But Grigg points out that Leiopathes has never been harvested commercially and is useless for jewellery. Google Scholar. Grigg R. Roark, E. USA doi: Download references. You can also search for this author in PubMed Google Scholar. Reprints and Permissions. Kaplan, M. Coral may live for thousands of years. Nature Download citation. Published : 23 March Anyone you share the following link with will be able to read this content:.
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