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- Q3176324 subject Q6374125.
- Q3176324 subject Q7045577.
- Q3176324 subject Q8398187.
- Q3176324 abstract "Closed ecological systems (CES) are ecosystems that do not rely on matter exchange with any part outside the system.The term is most often used to describe small manmade ecosystems. Such systems are scientifically interesting and can potentially serve as a life support system during space flights, in space stations or space habitats.In a closed ecological system, any waste products produced by one species must be used by at least one other species. If the purpose is to maintain a life form, such as a mouse or a human, waste products such as carbon dioxide, feces and urine must eventually be converted into oxygen, food, and water.A closed ecological system must contain at least one autotrophic organism. While both chemotrophic and phototrophic organisms are plausible, almost all closed ecological systems to date are based on a phototroph such as green algae.Frieda Taub reviewed work from 1953 to 1974.".
- Q3176324 thumbnail Biosphere2_1.jpg?width=300.
- Q3176324 wikiPageWikiLink Q1282152.
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- Q3176324 wikiPageWikiLink Q42762.
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- Q3176324 wikiPageWikiLink Q496.
- Q3176324 wikiPageWikiLink Q5.
- Q3176324 wikiPageWikiLink Q5165905.
- Q3176324 wikiPageWikiLink Q5916.
- Q3176324 wikiPageWikiLink Q596642.
- Q3176324 wikiPageWikiLink Q629.
- Q3176324 wikiPageWikiLink Q6374125.
- Q3176324 wikiPageWikiLink Q68139.
- Q3176324 wikiPageWikiLink Q686876.
- Q3176324 wikiPageWikiLink Q7045577.
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- Q3176324 wikiPageWikiLink Q8398187.
- Q3176324 wikiPageWikiLink Q864735.
- Q3176324 wikiPageWikiLink Q9328551.
- Q3176324 wikiPageWikiLink Q984134.
- Q3176324 comment "Closed ecological systems (CES) are ecosystems that do not rely on matter exchange with any part outside the system.The term is most often used to describe small manmade ecosystems. Such systems are scientifically interesting and can potentially serve as a life support system during space flights, in space stations or space habitats.In a closed ecological system, any waste products produced by one species must be used by at least one other species.".
- Q3176324 label "Closed ecological system".
- Q3176324 depiction Biosphere2_1.jpg.