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Leidy Award
The Leidy Award is a medal and prize presented by the Academy of Natural Sciences of Drexel University (formerly the Academy of Natural Sciences of Philadelphia), Philadelphia, Pennsylvania, USA. I
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Sympatric speciation
Sympatric speciation is the evolution of a new species from a surviving ancestral species while both continue to inhabit the same geographic region. In evolutionary biology and biogeography, sympat
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Ernst Mayr
Ernst Walter Mayr (/m aɪər / MYRE; German: [ɛʁnst ˈmaɪɐ] ; 5 July 1904 – 3 February 2005) was a German-American evolutionary biologist. He was also a renowned taxonomist, tropical explorer, ornitho
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Reproductive isolation
The mechanisms of reproductive isolation are a collection of evolutionary mechanisms, behaviors and physiological processes critical for speciation. They prevent members of different species from p
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Allopatric speciation
Allopatric speciation (from Ancient Greek ἄλλος(állos) ' other ' and πατρίς(patrís) ' fatherland ' ) – also referred to as geographic speciation, vicariant speciation, or its earlier name the dumbb
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Biological classification
In biology, taxonomy (from Ancient Greek τάξις(taxis) ' arrangement ' and -νομία(-nomia) ' method ' ) is the scientific study of naming, defining (circumscribing) and classifying groups of biologic
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Phylogenetic nomenclature
Phylogenetic nomenclature is a method of nomenclature for taxa in biology that uses phylogenetic definitions for taxon names as explained below. This contrasts with the traditional method, by which
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Taxonomic group
In biology, a taxon (back-formation from taxonomy; pl.: taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a t
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Roman Empress
The term Roman empress usually refers to the consorts of the Roman emperors, the rulers of the Roman Empire. The duties, power and influence of empresses varied depending on the time period, contem
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DNA barcoding
DNA barcoding is a method of species identification using a short section of DNA from a specific gene or genes. The premise of DNA barcoding is that by comparison with a reference library of such D
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