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Theory of Evolution by Natural Selection

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Katie Cooke

on 22 January 2013

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Transcript of Theory of Evolution by Natural Selection

Who thought of this Theory? Charles Darwin Darwin's Finches The Theory of Evolution by Natural Selection was published by British naturalist Charles Darwin in his book "The Origin of Species" based on his observations during the voyage on the Beagle, especially on the Galapagos islands. When Darwin visited the Galapagos islands in 1835 he notice the vastly variations of the beak's birds that lived on the islands. Some birds had thin pointed beaks while others had large blunt beaks. When he examined the birds he collected he realized that each beak type is unique to each and each island had different sources of food and all the bird were finches. Darwin noted that islands that are rich in nuts there are large beaked finches and islands that are plentiful with flowers are likely to have thin beaked finches. Darwin hypothesized that all the finches on the islands came from a common ancestor from south america and different populations adapted to different environments. First Theory Evidence: Dinos alive? Most people think dinosaurs died out long or are they? They years following the publishing of the origin of species, the fossil archeopteryx was discovered. This was an animal that had characteristic of reptiles and birds. decades more evidence turned up. This included
Dinosaurs with feathers and some of
them could've glided with them.
In fact the dinosaur group with the most bird like characteristics include velociraptor and Tyrannosaurus rex. In fact in 2012 a new large tyrannosaur was discovered with feathers covering most of its body. The similarities ae so strong that some scientists considered of having birds classified as dinosaurs. References By Katie Cooke and John Junod Evolution and Natural Selection Sometimes, Evolution sucks.
Darwin believed that we all derived from a common ancestor and the functional advantage the animals have in the wild. http://www.darwins-theory-of-evolution.com/






http://www.humanorigins.si.edu. picture found by searching "Natural Selection." Charles Darwin was born in Shrewsbury on February 12, 1809. Sadly his mother died when he was only eight years old. His father wanted him to be a surgen but he had dropped out and pursued a more animalistic approach, so to speak. He then showed how we differ from every other animal in our own way through taxonomy, biology, psychology, and then botany. all pictures from Google images. Man from Ape. One of the great questions of life was "Where did we come from"? before Darwin humans were already classified as primates this was based of extremely similar anatomy, morphology IE: five fingered hands, opposable thumbs and omnivorous molars, and more recently 99.8% of our DNA. What wasn't found however was the missing link. Then in 1890 the first so called link was discovered, Homo erectus or Peking man, Over more than a dozen ancient hominids were unearthed including Australopithecus, and homo habalas with the first having legs more adapted to walk upright. Along the different species of human were discovered including the neanderthal and our direct ancestor the Cro-Magnon. These discoveries are more than just fun fatcs. They are the key of unstanding of who we are and what it means to be human.
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