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classification in Biological Definition

Archaea

... are a major group of prokaryotes . Their classification among living things is difficult because they are ... 3 Habitats 4 Form 5 Evolution and classification 6 External links 7 References ... as occurs in other groups. Evolution and classification Archaea are divided into two main groups based ...

Biology

... and evolution of organisms 2.3.1 classification of life 2.4 Interactions of organisms ... to classify all living things. This scientific classification should reflect the evolutionary trees ( ... behavioral ecology and other fields. classification of life The ...

Carolus Linnaeus

... and pistils of flowers lay the basis for the classification of plants , and he wrote a short work on the ... Linnaean taxonomy : the system of scientific classification now widely used in the biological sciences . ... the idea of a hierarchical structure of classification based upon observable characteristics. Linnaeus ...

Cladistics

... 2 Cladistic methods 3 Cladistic classification 4 See also 5 External links ... in textual criticism . Cladistic classification A recent trend in biology since the 1960s, ... clades. In other words cladists argue that the classification system should be reformed to eliminate all ...

Memory

... Contents showTocToggle("show","hide") 1 classification by duration 2 classification by information type 3 classification by temporal direction 4 Memory disorders ...

Species

... definitions of species below). In scientific classification , a species is designated by a binomial written ... of species 2 Importance in biological classification 3 Implications of assignment of species ... to judgement. Importance in biological classification The idea of species has a long history. It ...

Taxonomy

... nomos = law) may refer to either a hierarchical classification of things, or the principles underlying the ... for instance in Carolus Linnaeus 's Scientific classification of organisms, the root is the Organism (as this ... them fauxonomies . In recent years taxonomic classification has gained support from molecular systematics , ...

Virus classification

... the type of disease they cause. The most useful classification is probably by the type of nucleic acid the virus contains and its mode of expression. This classification was proposed by Nobel-prize winner David ... 1 Overview 2 classification by genome type 2.1 DNA viruses ....

Zoology

... of biology relevant to zoology 3 Systems of classification 4 Notable zoologists 5 See also 6 ... are specific to those groups. Systems of classification Main article: Scientific classification Morphography includes the systematic ...

Animal

... Deuterostomes 2.2 Platyzoa 2.3 Lophotrochozoa 3 History of classification 4 Examples 5 See also 6 External links Structure ... , and possibly the Ectoprocta or moss animals. History of classification In Linnaeus ' original scheme, the animals were one of three kingdoms, ...

Antibiotic

... . Classes There are many way to classify antibiotics. One such classification is by chemical structure: Aminoglycosides Amikacin ... Clindamycin Fusidic acid Trimethoprim Another such classification is by their mechanism of action (that is, the mechanism by which they ...

Botany

... ecology ). At each of these levels a botanist might be concerned with the classification ( taxonomy ), structure ( anatomy ), or function ( physiology ) of plant ... natural Plant Species in the UK, described in the National Vegetation classification High quality pictures of plants and information about them from ...

Drug

... 3.1 Licensed distribution 3.2 Illegal distribution 4 classification 5 Regulations 6 UN documents 7 See also 8 External ... products such as soap bar . See Drug policy of the Netherlands . classification Drugs may be classified in many different ways, according to mechanism ...

Lichen

... 1 Morphology and structure 2 Reproduction 3 Ecology 4 classification 5 External links Morphology and structure Lichens live on ... process of weathering by which rocks are slowly turned into soil. classification Lichens are informally classified by growth form into: crustose ...

Animal

... Deuterostomes 2.2 Platyzoa 2.3 Lophotrochozoa 3 History of classification 4 Examples 5 See also 6 External links Structure ... , and possibly the Ectoprocta or moss animals. History of classification In Linnaeus ' original scheme, the animals were one of three kingdoms, ...

Molecular evolution

... to resolve questions in systematics, i.e. about their correct scientific classification or taxonomy from the point of view of evolutionary biology . ... is the use of molecular data to determine the correct scientific classification of organisms. This is called molecular systematics . See also ...

Paraphyletic

... -based schools of taxonomy, the existence of paraphyletic groups in a classification are regarded as errors. Some groups in currently accepted taxonomies may ... argue that paraphyletic groups are necessary to have a comprehensive classification including extinct groups, since each species, genus, and so forth ...

Prion

... Prions 3 Yeast Prions 4 Molecular Properties of Prions 5 classification 6 See also 7 External links Prusiner's Prion ... create an electric dipole and can lead to amyloid aggregation. classification Mammalian prions, agents of spongiform encephalopathies ...

Protist

... Cercozoa Amoebozoa Choanozoa Many others; classification varies Protists are a heterogenous group of living things, ... protists may be treated as a paraphyletic kingdom Protozoa. The classification of protists in general has undergone considerable changes. Except for the ...

Protist

... Cercozoa Amoebozoa Choanozoa Many others; classification varies Protists are a heterogenous group of living things, ... protists may be treated as a paraphyletic kingdom Protozoa. The classification of protists in general has undergone considerable changes. Except for the ...

RNA virus

... the genome is transcribed into RNA during replication. The basis for this classification is error-prone RNA replication: All RNA viruses have very high mutation ... Filoviridae : Ebola See also DNA virus Virus classification ...

Virus

... a virus or a bacterial infection. See also Viral plaque Virus classification List of viruses Microbiology Horizontal gene transfer ... Numbered references Gelderblom, Hans R. (1996). 41. Structure and classification of Viruses in Medical Microbiology 4th ed. Samuel Baron ed. The ...

Arbovirus

... virus ) is a virus that is primarily transmitted by arthropods, such as ticks and mosquitoes . The term Arbovirus is not part of the taxonomic classification of viruses , that is, viruses from different families and even orders can be arboviruses. List of arboviruses (not complete): Dengue ...

Bacterium

... to as bacilli , cocci , and spirillum . An additional group, vibrios , are comma-shaped. Shape is no longer considered a defining factor in the classification of bacteria, but many genera are named for their shape (e.g. Bacillus , Streptococcus , Staphylococcus ) and it is an important part in ...

Diabetes mellitus

... Fulltext . PMID 8366922 . World Health Organisation , Department of Noncommunicable Disease Surveillance. Definition, Diagnosis and classification of Diabetes Mellitus and its Complications. Geneva: WHO, 1999 ( PDF ) UK Prospective Diabetes Study Group. Intensive blood-glucose control with ...

DNA virus

... more common. Single-stranded DNA is usually expanded to double-stranded in infected cells. See also Mimivirus RNA virus Virus classification ...

Bacterium

... to as bacilli , cocci , and spirillum . An additional group, vibrios , are comma-shaped. Shape is no longer considered a defining factor in the classification of bacteria, but many genera are named for their shape (e.g. Bacillus , Streptococcus , Staphylococcus ) and it is an important part in ...

Francis Galton

... sparking a controversy between Herschel and Faulds that was to last until 1917 ), identifying common pattern in fingerprints and devising a classification system that survives to this day. He also estimated the probability of two persons having the same fingerprint and studied the heritability and ...

Genetics

... area within molecular genetics is the use of molecular information to determine the patterns of descent, and therefore the correct scientific classification of organisms: this is called molecular systematics . The study of inherited features not strictly associated with changes in the DNA sequence is ...

Marine biology

... in the sea and others that live on land, marine biology deals with those species in which life is spent only (or mainly) in the water, thus its classification is based on the environment rather than on taxonomy . Contents showTocToggle("show","hide") 1 Overview 2 Subfields ...

Molecular genetics

... area within molecular genetics is the use of molecular information to determine the patterns of descent, and therefore the correct scientific classification or organisms: this is called molecular systematics . Contents showTocToggle("show","hide") 1 Forward genetics 2 Reverse ...

Molecular phylogeny

... paternity , as well as the emergence of a new branch of criminal forensics focused on genetic evidence. The effect on traditional scientific classification schemes in the biological sciences has been dramatic as well. Work that was once immensely labor- and materials-intensive can now be done quickly ...

Phylogenetics

... In Biology , Phylogenetics ( Greek : phylon = race and genetic = birth) is the taxonomical classification of organisms based on how closely they are related in terms of evolutionary differences. See also Phylogeny , Phylogenetic memory ...

Skin

... radiation contained therein. Human skin pigmentation varies across populations in a visually dramatic manner. This has sometimes led to the classification of people(s) on the basis of skin color. See the article on human skin color for more information. Mammalian skin often contains hairs, which ...

Virology

... See also molecular biology phage , the virus of bacteria / prokaryotes viral plaque Important publications in virology Virus classification ...

Virus evolution

... study evolution in the laboratory. One of the main theoretical models to study virus evolution is the quasispecies model . See also Viral classification RNA virus DNA virus Further reading E. Domingo and C.K. Biebricher and M. Eigen and J.J. Holland (2002). Quasispecies and RNA ...
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