e/Selenium cycle

Information
has gloss	eng: The Selenium Cycle The Selenium Cycle is a biological cycle of selenium similar to the cycles of carbon, nitrogen, and sulpur. Within the cycle, there are organisms which reduce the most oxidized form of the element and different organisms complete the cycle by oxidizing the reduced element to the initial state.
lexicalization	eng: selenium cycle
instance of	(noun) a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite) atomic number 34, selenium, Se