Sentences with phrase «white calcium carbonate skeleton»
Coral's white calcium carbonate skeleton also gets in on the action.
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The loss of zooxanthellae makes the white calcium carbonate coral skeleton visible through the transparent tissue, making the coral appear bright white or «bleached».
The white cliffs of Dover are made of the calcium carbonate skeletons of coccolithophores, tiny marine phytoplankton.
Coral reefs are threatened by rising water temperatures, ocean acidification, and sea - level rise.3, 5 Coral reefs typically live within a specific range of temperature, light, and concentration of carbonate in seawater.6 When increases in ocean temperature or ultraviolet light stress the corals, they lose their colorful algae, leaving only transparent coral tissue covering their white calcium - carbonate skeletons.6 This phenomenon is called coral bleaching.