bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom … Universalium
Bacteria — Taxobox color = lightgrey name = Bacteria fossil range = Archean or earlier Recent image width = 210px image caption = Escherichia coli image is 8 micrometres wide. domain = Bacteria subdivision ranks = Phyla [cite web… … Wikipedia
List of symbiotic relationships — This is an incomplete list of notable mutualistic symbiotic relationships, in which different species have a cooperative or mutually dependent relationship.* Humans and cultivated plants * Humans and domesticated animals * Humans and intestinal… … Wikipedia
nitrogen-fixing bacteria — ▪ biology and ecology microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen, inorganic compounds usable by plants. More than 90 percent of all nitrogen fixation is effected by them. Two kinds of nitrogen… … Universalium
endosymbiotic bacteria — Bacteria that establish a symbiotic relationship within a eukaryotic cell. Eg. the nitrogen fixing bacteria of legume root nodules. See also endosymbiont hypothesis … Dictionary of molecular biology
Luminescent bacteria — emit light as the result of a chemical reaction during which chemical energy is converted to light energy. Luminescent bacteria exist as symbiotic organisms carried within a larger organism, such as many deep sea organisms, including the Lantern… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Microorganism — Microbe redirects here. For other uses, see Microbe (disambiguation). A cluster of Escherichia coli … Wikipedia
Symbiosis — Symbiology redirects here. For use of things that represent other things by association, resemblance, or convention, see Symbology. This article is about the biological phenomenon. For other uses, see Symbiosis (disambiguation). For the Marvel… … Wikipedia
protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… … Universalium