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What Killed The Dinosaurs? ... Two main camps exist in paleontology today, each having a different view of what killed the dinosaurs and other organisms at the K-T boundary. Controversy has surrounded the topic since 1980; ... Our lack of understanding of the physiology of dinosaurs makes the issue more complex;
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www.ucmp.berkeley.edu/diapsids/extinctheory.html
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In the search for answers to what killed the dinosaurs, scientists have looked beyond fossils. Geological evidence also holds clues and has contributed to many hypotheses, working explanations of how dinosaurs may have become extinct.
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www.pbs.org/wgbh/evolution/extinction/dinosaurs/low_ban...
www.pbs.org/wgbh/evolution/extinction/dinosaurs/low_bandwidth.html
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Probably the most popular theory right now is the Asteroid Theory. According to this theory a large asteroid or comet collided with Earth about 65 million years ago. Scientists think that such a large collision would throw so much dust into...
http://answers.yahoo.com/question/index?qid=20080617111...
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While there have been many theories on what caused the extinction of the dinosaurs--excessive size, the greenhouse effect, egg predation, non-viable eggs, replacement by mammals, disease, etc. But, recently, scientists theorize that a mete...
http://www.enotes.com/science/q-and-a/what-killed-dinos...
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Dinosaurs, along with an estimated 70 percent of all life on Earth, are believed to have gone extinct 65 million years ago as a result of a series of dramatic temperature changes. ... Mass Extinction That Led to Age of Dinosaurs Was Swift, Study Shows...
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news.nationalgeographic.com/news/2002/06/0617_020617_fo...
news.nationalgeographic.com/news/2002/06/0617_020617_fossilleaves.html
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Find clues to one of life's the greatest mysteries. ... Explore what killed the dinosaurs ... to what killed the dinosaurs, scientists have looked beyond fossils. Geological evidence also holds clues and has contributed to many hypotheses: working explanations of how dinosaurs may have become extinct.
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www.pbs.org/wgbh/evolution/extinction/dinosaurs/index.h...
www.pbs.org/wgbh/evolution/extinction/dinosaurs/index.html
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The Meteor Impact that Killed the Dinosaurs? ... A large body of evidence now exists supporting the hypotheses that a major comet or asteroid struck the Caribbean region at this time (Figure 3). Such an impact is thought to be responsible for the mass extinction of many floral and faunal species, including the large dinosaurs,
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geo.arc.nasa.gov/sge/jskiles/fliers/all_flier_prose/met...
geo.arc.nasa.gov/sge/jskiles/fliers/all_flier_prose/meteor_impact_duller/meteor_duller.html
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A series of monumental volcanic eruptions in India may have killed the dinosaurs 65 million years ago, not a meteor impact in the Gulf of Mexico. ... Far More Than A Meteor Killed Dinos, Evidence Suggests (Oct. 24, 2006) — There's growing evidence that ... Giant Impact Near India Not Mexico May Have Doomed Dinosaurs (Oct.
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www.sciencedaily.com/releases/2007/10/071029134743.htm
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There's growing evidence that the dinosaurs and most their contemporaries were not wiped out by the famed Chicxulub meteor impact, according to a paleontologist who says multiple meteor impacts, massive volcanism in India, and climate changes culminated in the end of the Cretaceous Period.
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www.astronomy.com/asy/default.aspx?c=a&id=4602
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