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Darwin's work established evolutionary descent with modification as the dominant scientific explanation of natural diversification. [16] In 1871, he examined human evolution and sexual selection in The Descent of Man, and Selection in Relation to Sex, followed by The Expression of the Emotions in Man and Animals (1872).
Alfred Russel Wallace OM FRS (8 January 1823 – 7 November 1913) was an English [1] [2] [3] naturalist, explorer, geographer, anthropologist, biologist and illustrator. [4] He independently conceived the theory of evolution through natural selection; his 1858 paper on the subject was published that year alongside extracts from Charles Darwin's earlier writings on the topic.
Stephen Jay Gould (/ ɡ uː l d / GOOLD; September 10, 1941 – May 20, 2002) was an American paleontologist, evolutionary biologist, and historian of science.He was one of the most influential and widely read authors of popular science of his generation. [1]
By Will Dunham (Reuters) - A rare fossil of an adolescent Tyrannosaurus rex has been excavated in North Dakota's badlands - a find noteworthy for the scientific insight it may offer into the life ...
Beginning of animal evolution. [54] [55] 720–630 Ma Possible global glaciation [56] [57] which increased the atmospheric oxygen and decreased carbon dioxide, and was either caused by land plant evolution [58] or resulted in it. [59] Opinion is divided on whether it increased or decreased biodiversity or the rate of evolution. [60] [61] [62 ...
Quest in the Desert (1950) Heart of Asia: True Tales of the Far East (1951) Nature's Way: How Nature Takes Care of Her Own (1951) All About Dinosaurs (1953) All About Whales (1954) Beyond Adventure: The Lives of Three Explorers (1954) Quest of the Snow Leopard (1955) All About Strange Beasts of the Past (1956) In the Days of the Dinosaurs (1959)
Although he was not the first thinker to advocate organic evolution, he was the first to develop a truly coherent evolutionary theory. [10] He outlined his theories regarding evolution first in his Floreal lecture of 1800, and then in three later published works: Recherches sur l'organisation des corps vivants, 1802. Philosophie zoologique, 1809.
The study of these "great fossil lizards" soon became of great interest to European and American scientists, and in 1842 the English paleontologist Sir Richard Owen coined the term "dinosaur", using it to refer to the "distinct tribe or sub-order of Saurian Reptiles" that were then being recognized in England and around the world.