enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Grade (climbing) - Wikipedia

    en.wikipedia.org/wiki/Grade_(climbing)

    The V-scale doesn't consider risk and is purely focused on the technical difficulty of the movements. [2] The V-scale is the dominant scale in North America, and it and the Font scale are the most dominant systems worldwide; beyond the easiest grades, the two systems can be almost exactly aligned in comparison tables. [2] [14]

  3. Directionality (molecular biology) - Wikipedia

    en.wikipedia.org/wiki/Directionality_(molecular...

    The 5′ is upstream; the 3′ is downstream. DNA and RNA are synthesized in the 5′-to-3′ direction. Directionality, in molecular biology and biochemistry, is the end-to-end chemical orientation of a single strand of nucleic acid.

  4. Linnaean taxonomy - Wikipedia

    en.wikipedia.org/wiki/Linnaean_taxonomy

    Linnaeus's use of binomial nomenclature was anticipated by the theory of definition used in Scholasticism. Scholastic logicians and philosophers of nature defined the species human, for example, as Animal rationalis , where animal was considered a genus and rationalis (Latin for "rational") the characteristic distinguishing humans from all ...

  5. Pedigree chart - Wikipedia

    en.wikipedia.org/wiki/Pedigree_chart

    A pedigree chart is a diagram that shows the occurrence of certain traits through different generations of a family, [1] [2] most commonly for humans, show dogs, and race horses. [ citation needed ] Definition

  6. Measurement of biodiversity - Wikipedia

    en.wikipedia.org/wiki/Measurement_of_biodiversity

    Biodiversity is usually plotted as the richness of a geographic area, with some reference to a temporal scale. Types of biodiversity include taxonomic or species, ecological, morphological, and genetic diversity. Taxonomic diversity, that is the number of species, genera, family is the most commonly assessed type. [7]

  7. Biological organisation - Wikipedia

    en.wikipedia.org/wiki/Biological_organisation

    A population of bees shimmers in response to a predator. Biological organisation is the organisation of complex biological structures and systems that define life using a reductionistic approach. [1]

  8. Tree of life (biology) - Wikipedia

    en.wikipedia.org/wiki/Tree_of_life_(biology)

    Edward Hitchcock's fold-out paleontological chart in his 1840 Elementary Geology. Although tree-like diagrams have long been used to organise knowledge, and although branching diagrams known as claves ("keys") were omnipresent in eighteenth-century natural history, it appears that the earliest tree diagram of natural order was the 1801 "Arbre botanique" (Botanical Tree) of the French ...

  9. Biostatistics - Wikipedia

    en.wikipedia.org/wiki/Biostatistics

    A bar chart is a graph that shows categorical data as bars presenting heights (vertical bar) or widths (horizontal bar) proportional to represent values. Bar charts provide an image that could also be represented in a tabular format. [10] In the bar chart example, we have the birth rate in Brazil for the December months from 2010 to 2016. [9]