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Genus in Biological Definition

Drosophila

... Drosophila subobscura Drosophila is a genus of small flies whose members are often called ... flies, grape flies, and picked fruit-flies. The genus contains about 1000 species. One species in ... Typically, the small, two-winged flies of the genus Drosophila are an orange-brown color and range ...

Flaviviridae

... mammals . They include the following genera: genus Flavivirus (type species Yellow fever virus , others include West Nile virus ) genus Hepacivirus (type species Hepatitis C virus ) genus Pestivirus (type species Bovine viral ...

Monophyletic

... . For example, all organisms in the genus Homo are believed to have come from the same ... , and no other descendants are known. Thus the genus Homo is monophyletic. If, on the other hand, ... ancestor was not included in the genus, then the genus would be polyphyletic. Since biologists by and ...

Retrovirus

... The following genera are included here: genus Alpharetrovirus ; type species: Avian leucosis virus genus Betaretrovirus ; type species: Mouse mammary tumour virus genus Gammaretrovirus ; type species: Murine ...

Species

... italic text and consisting of the capitalized genus name followed by a unique descriptor. It is the ... group were implied. Aristotle used the words genus and species to mean generic and specific ... categories, such as "kingdom" and " genus ". See also: race . See also ...

Virus classification

... Family ( -viridae ) Subfamily ( -virinae ) genus ( -virus ) Species However, ... Family Tymoviridae Unassigned genera genus Benyvirus ; type species: Beet necrotic yellow vein virus genus Cheravirus ; type species: Cherry rasp leaf ...

Cell growth

... sulfur bacterium in Namibian shelf sediments - Large protists of the genus Chaos , closely related to the genus Amoeba Cell reproduction The process of cell reproduction has ...

Hepadnaviridae

... infections in humans and animals. There are two genera included here: genus Orthohepadnavirus ; type species: Hepatitis B virus genus Avihepadnavirus ; type species: Duck hepatitis B virus ...

Parthenogenesis

... mating with males of a cloesly related species. Some salamanders of the genus Ambystoma are gynogenetic and appear to have been so for over a ... This form of reproduction is seen in some of the guppy species in the genus Poeciliopsis . See also Apomixis for a similar process in ...

Antibiotic

... penicillin molecule was not stable under the purification methods he tried), he reported it in the scientific literature. Since the mold was of the genus Penicillium , he named this compound penicillin. This USPS stamps notes that during the 1940s, the improvement of antibiotics saved ...

Arabidopsis

... Arabidopsis salsuginea Arabidopsis thaliana Rockcress ( Arabidopsis ) are a genus of the Brassicaceae family. They are small flowering plants related to cabbage and mustard . One species, Thale Cress ( Arabidopsis ...

Avian influenza

... 7 External links Infection The causative agent is the avian influenza (AI) virus . AI viruses all belong to the influenza virus A genus of the Orthomyxoviridae family and are negative-stranded, segmented RNA viruses . Avian influenza spreads in the air and in manure . Wild ...

Bacterium

... of cellulose , which is one of the most abundant constituents of plant tissues, is mainly brought about by aerobic bacteria that belong to the genus Cytophaga . This ability has also been utilized by humans for industrial uses and for bioremediation . Bacteria capable of digesting the ...

Carolus Linnaeus

... a second human species, Homo troglodytes ("cave-dwelling man", by which he meant the chimpanzee currently most often placed in a different genus as Pan troglodytes ). The group " mammalia " are named for their mammary glands because one of the defining characteristics of mammals is that ...

Colchicine

... Colchicine is a highly poisonous alkaloid , originally extracted from plants of the genus Colchicum (autumn crocus, meadow saffron) with the chemical formula C 22 H 25 N O 6 . Originally used to treat rheumatic complaints and ...

Endosymbiont

... the Echinoderms in general. Symbiodinium dinoflagellate endosymbionts in marine metazoa and protists Dinoflagellate endosymbionts of the genus Symbiodinium , commonly known as zooxanthellae , are found in corals , molluscs (esp. giant clams , the Tridacna ), and foraminifera . These ...

Endosymbiont

... the Echinoderms in general. Symbiodinium dinoflagellate endosymbionts in marine metazoa and protists Dinoflagellate endosymbionts of the genus Symbiodinium , commonly known as zooxanthellae , are found in corals , molluscs (esp. giant clams , the Tridacna ), and foraminifera . These ...

Bacterium

... of cellulose , which is one of the most abundant constituents of plant tissues, is mainly brought about by aerobic bacteria that belong to the genus Cytophaga . This ability has also been utilized by humans for industrial uses and for bioremediation . Bacteria capable of digesting the ...

Evolutionary tree

... The terminology originates with Linnaean taxonomy : living things are classified as belonging to domain, kingdom, phylum, class, order, family, genus and species . Life Domain Eubacteria Actinobacteria Aquificae Bacteroidetes / Chlorobi group Chlamydiae / Verrucomicrobia ...

Fungus

... are now recognized to belong among the amoebae . Miscellaneous The seeds of many orchids require a fungus to germinate . Fungi of the genus Penicillium produce penicillin , the first antibiotic known to modern science. Many bacteria have since become resistant to penicillin, but ...

Human

... Homo sapiens , of which the only extant subspecies is Homo sapiens sapiens . They are usually considered the only surviving species in the genus Homo , although some argue that the two species of chimpanzees should be reclassified from Pan troglodytes and Pan paniscus to Homo ...

Leaf

... . Underside view of leaf Leaf shapes See Leaf shape Leaf margins The leaf margin is characteristic for a genus and aids in determining the species. entire: even; with a smooth margin; without toothing ciliate: fringed with hairs crenate: wavy-toothed; ...

Mycology

... pombe . Many fungi produce toxins , antibiotics , and other secondary metabolites . For example, the cosmopolitian (worldwide) genus Fusarium and their toxins associated with fatal outbreaks of alimentary toxic aleukia in humans were extensively studied by Abraham Joffe . Also, ...

Neurospora crassa

... Neurospora crassa is a type of red bread mold of the phylum Ascomycota . The genus name, meaning "nerve spore" refers to the characteristic striations on the spores that resemble axons . N. crassa is notable for its use as a ...

Symbiosis

... the symbiont lives in the intracellular space of the host. An example of mutual symbiosis is the relationship between clownfish of the genus Amphiprion (family, Pomacentridae ) that dwell among the tentacles of tropical sea anemones . The territorial fish protects the anemone from ...

Taxonomy

... to all living things, it is implied rather than stated explicitly). Below this are the Domain , Kingdom , Phylum , Class , Order , Family , genus , and Species , with various other ranks sometimes inserted. Some have argued that the human mind naturally organizes its knowledge of the world ...
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