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The first home media release of "Symbiosis" was on VHS cassette, appearing on May 26, 1993 in the United States and Canada. [10] The episode was later included on the Star Trek: The Next Generation season one DVD box set, released in March 2002, [11] and then released as part of the season one Blu-ray set on July 24, 2012. [12]
[1] In Star Trek, the Trill were a race of humanoids who incorporated a long-living symbiont. One of them was a main character on the series Star Trek: Deep Space Nine. In the series Stargate SG-1, both the principal villains, the Goa'uld and their benevolent versions, the Tok'ra were symbionts who grafted themselves into the human nervous system.
Pages in category "Fiction set in 2025" The following 22 pages are in this category, out of 22 total. This list may not reflect recent changes. 0–9. 334 (novel) B.
One partner of this symbiosis is proposed to be a bacterial cell, and the other an archaeal cell. It is postulated that this symbiotic partnership progressed via the cellular fusion of the partners to generate a chimeric or hybrid cell with a membrane bound internal structure that was the forerunner of the nucleus. The next stage in this scheme ...
Symbiosis includes three types of interactions—mutualism, commensalism, and parasitism—of which only mutualism can sometimes qualify as cooperation. Mutualism involves a close, mutually beneficial interaction between two different biological species, whereas "cooperation" is a more general term that can involve looser interactions and can ...
The air monitoring station at Mauna Loa Observatory in Hawaii reports that CO 2 jumped by 3.58 parts per million (ppm) in 2024, exceeding the previous record of 3.36 ppm set in 2023. The global atmospheric concentration of CO 2 is now at 427 ppm, more than 50% higher than the pre-industrial level.
The definition of symbiosis was a matter of debate for 130 years. [5] In 1877, Albert Bernhard Frank used the term symbiosis to describe the mutualistic relationship in lichens. [6] [7] In 1878, the German mycologist Heinrich Anton de Bary defined it as "the living together of unlike organisms".
Essay on the Theory of Symbiogenesis, [14] he wrote, "The theory of symbiogenesis is a theory of selection relying on the phenomenon of symbiosis." [ 15 ] These theories did not gain traction until more detailed electron-microscopic comparisons between cyanobacteria and chloroplasts were made, such as by Hans Ris in 1961 and 1962.