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Different species were losing their zooxanthellae as the temperature rose to 30 degrees Celsius in Lanuza Bay.
Some shallow water corals produce fluorescent proteins to block excessive sunlight that could harm the zooxanthellae.
Influence of the population density of zooxanthellae and supply of ammonium on the biomass and metabolic characteristics of the reef corals Seriatopora hystrix and Stylophora pistillata.
If conditions return to normal quickly enough, the zooxanthellae are taken back in and the corals will survive; if the stress continues for too long, however, the coral colonies will eventually die.
Also, in areas were nutrients and particulate loads are high, corals present higher concentrations of photosynthetic pigments, due to an increase in the number of zooxanthellae, causing a rise in calcification (Tomascik & Sander, 1985).
These materials are supplied to them by the zooxanthellae as byproducts of photosynthesis that is why corals need sunlight to live even if they are not plants.
In one of the first activities, individuals played the roles of coral polyps, zooxanthellae, the algae that feed the corals, and the protective calcium carbonate skeleton.
She teams up with the Zoox, a family of slow but steady zooxanthellae marine plankton.
Reduction of coral growth may occur when precipitation of calcium carbonate to form the coral skeleton is altered by deficiency of available light (due to excess of suspended sediment in the water column) to the zooxanthellae (endossimbiont algae) that makes photosynthesis, or due to the excess of energy that the corals use to remove sediment from their polyps.
Carotenoids of clam, coral and nudibranch zooxanthellae in aposymbiotic culture.
Zooxanthellae are densely packed within coral skeletons--one million of them per cubic centimeter.
nutritional exchange in a tropical tripartte symbiosis: direct evidence for the transfer of nutrients from anemonefish to host anemone and zooxanthellae.
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