Naming and etymology. The term "clade" was coined in 1957 by the biologist Julian Huxley to refer to the result of cladogenesis, the evolutionary splitting of a parent species into two distinct species, a concept Huxley borrowed from Bernhard Rensch.. Many commonly named groups – rodents and insects, for example – are clades because, in each case, the group consists of a …

Bernhard Rensch, German evolutionary biologist; in Thale (d. 1990) Henry Somerset, Baron Herbert, British noble, Master of the Horse for the British royal family from 1936 to 1978; in Badminton, Gloucestershire (d. 1984) Died: David Edward Hughes, 68, British inventor, created the first practical electrical microphone in 1878 (b. 1831)

Cheating in chess is a deliberate violation of the rules of chess or other behaviour that is intended to give an unfair advantage to a player or team. Cheating can occur in many forms and can take place before, during, or after a game. Commonly cited instances of cheating include: collusion with spectators or other players, use of chess engines during play, rating …

La théorie synthétique de l'évolution (ou TSE) est une théorie darwinienne de l'évolution basée sur la sélection naturelle de variations aléatoires du génome [1].Elle est aussi appelée synthèse néodarwinienne, théorie néodarwinienne de l'évolution ou plus simplement néodarwinisme [2].. Cette théorie est une synthèse de diverses théories biologiques du XIX e siècle et du ...

Bernhard is een tweestammige Oudhoogduitse jongensnaam die afgeleid is van de woorden "bero" (Bär) (betekenis: Beer) en "hard" (betekenis: hard, sterk, moedig). De naam kan dus samengevat worden als sterk en/of moedig als een beer.De naam kwam veel voor in het Germaanse gebied, maar is ook geadapteerd in het Frans.De naam is altijd populair gebleven, …

Sexualdimorphismus (lateinisch sexus „Geschlecht“, und altgriechisch δίμορφος dímorphos, deutsch ‚zweigestaltig‘), Geschlechts­dimorphismus oder sekundäres Geschlechtsmerkmal bezeichnet in der Biologie deutliche Unterschiede in der Erscheinung zwischen geschlechtsreifen männlichen und weiblichen Individuen derselben (Tier-)Art, die nicht auf die …

Sir Julian Sorell Huxley FRS (22 June 1887 – 14 February 1975) was an English evolutionary biologist, eugenicist, and internationalist.He was a proponent of natural selection, and a leading figure in the mid-twentieth century modern synthesis.He was secretary of the Zoological Society of London (1935–1942), the first Director of UNESCO, a founding member of the World Wildlife …

Elephant cognition is animal cognition as present in elephants.Most contemporary ethologists view the elephant as one of the world's most intelligent animals. With a mass of just over 5 kg (11 lb), an elephant's brain has more mass than that of any other land animal, and although the largest whales have body masses twenty times those of a typical elephant, a whale's brain is …

31. März: Bernhard Bauknecht, deutscher Politiker und Bauernfunktionär († 1985) 31. März: Heinrich Wilhelm, Herzog von Gloucester, britischer Prinz und Generalgouverneur von Australien († 1974) April. 0 1. April: William Burnett Benton, US-amerikanischer Politiker († 1973) 0 2.

1990 - Bernhard Rensch (90), Duits bioloog en ornitholoog; 1991 - Max Frisch (79), Zwitsers architect en schrijver; 1991 - Pagão (56), Braziliaans voetballer; 1992 - Samuel Reshevsky (80), Pools-Amerikaans schaker; 1994 - Olga Lowina (69), Nederlandse zangeres; 1996 - Barney Ewell (78), Amerikaans atleet; 1996 - Dick van Rijn (82), Nederlands ...