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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 album also gained popularity on YouTube, with the full album (uploaded without permission) gaining millions of views and thousands of comments spread over multiple different bootleg uploads. [9] A cover of "Plantasia" was produced by Griffin McElroy for use in a 2017 episode of The Adventure Zone. [10]
Coral diseases that are distributed throughout an area can have a big impact on other parts of reef communities. Not only do coral diseases impact the overall accretion and surface area of the coral, it also affects coral reproduction, the diversity and prosperity of reef species, topography of structures, and community dynamics. [1]
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).
The zooxanthellae live inside the tissues of the coral, and provide the coral with food, which they produce through photosynthesis, so require sunlight. In return, the coral provides the algae with protection and access to sunlight. The hollow tubes in fire coral can also be used to store oxygen to offset any organism that bumps into it. [3]