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Zooxanthellae (/ ˌ z oʊ ə z æ n ˈ θ ɛ l iː /; sg. zooxanthella) is a colloquial term for single-celled dinoflagellates that are able to live in symbiosis with diverse marine invertebrates including demosponges, corals, jellyfish, and nudibranchs.
Coral can survive short-term disturbances, but if the conditions that lead to the expulsion of the zooxanthellae persist, the coral's chances of survival diminish. In order to recover from bleaching, the zooxanthellae have to re-enter the tissues of the coral polyps and restart photosynthesis to sustain the coral as a whole and the ecosystem ...
There is a symbiotic relationship between coral polyps and the photosynthesising algae called zooxanthellae, without which, neither would survive. When sea surface temperatures exceed approximately 29 °C or more, even for a couple of days, the relationship between the coral and its zooxanthellae becomes unbalanced. [ 5 ]
Symbiodiniaceae is a family of marine dinoflagellates notable for their symbiotic associations with reef-building corals, [1] sea anemones, [2] jellyfish, [3] marine sponges, [4] giant clams, [5] acoel flatworms, [6] and other marine invertebrates.
The discography of the English rock band Led Zeppelin consists of 9 studio albums, 4 live albums, 10 compilation albums, 19 singles, 16 music videos and 9 music downloads.The band is estimated to have sold over 300 million records worldwide, becoming one of the best-selling music artists in history.
The album cover was designed by Hipgnosis, the fifth album cover the design group designed for Led Zeppelin. It was also the last album cover Hipgnosis designed before disbanding in 1983. The main four letters CODA are from an alphabet typeface design called "Neon Slim" designed by Bernard Allum in 1978. [10]
Presence is the seventh album by the English rock band Led Zeppelin.It was released by the band's own label Swan Song Records on 31 March 1976 in the United States and on 2 April 1976 in the United Kingdom.
Consequently, the term "gorgonian coral" is commonly handed to multiple species in the order Alcyonacea that produce a mineralized skeletal axis (or axial-like layer) composed of calcite and the proteinaceous material gorgonin only and corresponds to only one of several families within the formally accepted taxon Gorgoniidae (Scleractinia).