Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 26.4, Problem 2R
Summary Introduction
To review:
The roles of dinoflagellates in coral bleaching and the generation of red tides.
Introduction:
Dinoflagellates are marine photosynthetic eukaryotes. Their chloroplasts appear golden brown due to the presence of a mixture of accessory and photosynthetic pigments. Some species are endosymbionts that live within the cells of corals, an invertebrate animal and impart them golden or greenish color.
Endosymbiotic dinoflagellates supply the corals with nutrients produced from photosynthesis and, in turn, the corals provide them with photosynthetic substrates. This endosymbiotic relationship is responsible for the color of the corals. These protozoans, dinoflagellates also produce red tides in the ocean.
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Life: The Science of Biology
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