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deportment Reference library
The Oxford Companion to the Body
...hierarchy of the nobility determined proper deportment. By the thirteenth century, however, the disciplined restraint dominating the visible conduct of nuns became a model for the laity, and eloquent poems and texts on courtesy began to appear in Italy. A somewhat problematic causal relationship between chivalry and the development of courtesy exists. From the ninth through the eleventh centuries, codes governing knights' behaviour reflected crude and practical military exigencies. Later on, however, as economic and political developments during the twelfth...
Stratigraphy Reference library
Encyclopedia of Evolution
...horses. Figure 1. Early Representation of Horse Evolution Emphasizing the Linear Transformation in Form Through Time.The old names of the fossil-bearing beds are shown on the left, in stratigraphic order, demonstrating exactly where this sequence of horse fossils can be found. Courtesy the Library, American Museum of Natural History. Figure 2. Modern Concept of Horse Evolution.Shown are much more complex, bushy, branching pattern as we discover more horse fossils. Donald Prothero. See also Geology ; Paleontology . Berry, W. B. N. Growth of Prehistoric...
Nomenclature Reference library
Encyclopedia of Evolution
...definition of the apomorphy-based clade is “the clade stemming from the first organism to possess character X synapomorphic with that in B.” The bar marks the origin of character X. The species names and characters referred to in phylogenetic definitions are called specifiers.Courtesy of Harold N. Bryant. Figure 2. The Effect of Changes in Phylogenetic Relationships on the Use of Phylogenetic Definitions.Given a taxon name with the node-based phylogenetic definition “the least inclusive clade that includes B and D,” this name refers to the clade consisting...
New Replicators, The Reference library
Encyclopedia of Evolution
...RNA viruses and prions. Have any other completely different evolutionary substrates arisen on this planet? The best candidates are the brainchildren, planned or unplanned, of one species: Homo sapiens . Figure 1. The New Replicators. A Simple Taxonomy of the New Replicators.Courtesy of Daniel Dennett. Darwin himself proposed words as an example: “The survival or preservation of certain favoured words in the struggle for existence is natural selection” ( Descent of Man , 1871 , p. 61). Billions of words are uttered (or inscribed) every day, and almost all...
