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Multiregional hypothesis
The multiregional origin hypothesis of human species holds that some, or all, of the genetic variation between the contemporary human races is attributable to genetic inheritance from either Homo ... > more -
Chimpanzee
Chimpanzee, often shortened to chimp, is the common name for the two extant species in the genus Pan. The better known chimpanzee is Pan troglodytes, the Common Chimpanzee, living primarily in West, ... > more -
Feathered dinosaurs
The realization that dinosaurs are closely related to birds raised the obvious possibility that some dinosaurs had feathers. Fossils of Archaeopteryx include well-preserved feathers, but it was not ... > more -
Albertosaurus
Albertosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, more than 70 million years ... > more -
Evolution of the horse
The evolution in the structure of their teeth, odd-toed limbs, obvious mobility of the upper lip, and other aspects, joins the horse to the evolutionary line of odd-toed, hoofed mammals: the ... > more -
Petrified wood
Petrified wood is a type of fossil: it exists of fossil wood where all the organic materials have been replaced with minerals (most often a silicate, such as quartz), while retaining the original ... > more -
Rhodesian Man
Rhodesian Man (Homo rhodesiensis) is a hominin fossil that was described from a cranium found in an iron and zinc mine in Northern Rhodesia (now Kabwe, Zambia) in 1921 by Tom Zwiglaar, a Swiss miner. ... > more
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