Both mammoths and mastodons lived during the Pleistocene era in Europe, North America, and Asia. During this time, "the earth was covered with a coat of ice" (www.uen.org/centennial/12AdaptationA.html). In order for these animals to survive such cold conditions, they developed a long, thick, shaggy coat of hair to keep them warm (www.uen.org/centennial/12AdaptationA.html). Scientists have determined that they "became extinct at the end of the Pleistocene about 10,000 years ago" (Giuliani). Three possible explanations for their extinction include: changes in climate, deadly viruses, or over-hunting by man. After the discovery of frozen a mammoth in Siberia, scientists are hopeful that they may one day be able to clone a mammoth.
A climate change may have led to the demise of mammoths and mastodons. During the ice ages, the weather was cool and brisk, and the air was moist; this didn't change all year round, there were no seasons (www.discovery.ca/mammoth/extinction-climate.cfm). This was the type of climate these animals were used to. As the weather slowly started getting warmer, "the moist air [ ] became drier, seasons emerged, [and] plant life changed" (www.discovery.ca/mammoth/extinction-climate.cfm). Slowly these animals began to die out because "the seasons became sharply defined, throwing the environment out of whack from what they had become adapted to" (www.discovery.ca/mammoth/extinction-climate.cfm).
Another possibility for their extinction is the appearance of viruses. Humans may have been responsible for transporting viruses that mammoths and mastodons were not immune to. Viruses could have been transported through "the lice in their hair, the fleas on their dogs, or within their own bodies" (www.discovery.ca/mammoth/extinction-virus.cfm). To find out if this is possible, scientists would have "to extract cellular material from the mammoth fossils" (www.discovery.ca/mammoth/extinction-climate.
Nsidc.colorado.edu/NSIDC/EDUCATION/GLACIERS/glaciers.html Topic 2 Degassing of Co2 near Mammoth Mountain 1. Where is Mammoth Mountain? Mammoth Mountain is located in the Sierra Nevada Mountain in eastern California. ...
When covering the topic of the discovery of the mammoth, Jefferson states that they were largest known quadrupeds. Indian tradition claimed that mammoths were carnivores, and that some still existed in the Northern parts of America. ... The further north one travels, the more common these remains of a mammoth are found. ... Jefferson concludes "it seems perverse to declare it (the mammoth) the same, from a partial resemblance of their tusks and bones." ... Also, when it comes to mammoths, the size of the animals have been increased even in the cold and moisture. ...
The mammoths migrated into North America by at least 1.7 million years ago (Haynes, 1991). ... A new mammoth species evolved from the original mammoths as they migrated from Eurasia, over the Bering Land Bridge, leaving substantial populations in Beringia as they progressed southward. This new species was called the Columbian mammoth (Mammuthus columbi). The Columbian was a larger mammoth well adapted for the North American grasslands. ... It would have been harder though, for the mammoths and mastodons to survive a drought. ...
Another example of tunnel vision due to background and career is shown through Joel, a local doctor and scientist who discovered the body of a wooly mammoth, and Walt, a backwoods survivalist who is also interested in the mammoth. When Joel discovered the mammoth, he realized that finding such a prehistoric creature well preserved and in one piece was an amazing find. Little was known about the mammoths and this discovery was extremely valuable. ...
On the heels of the announcement of the huia project, a group of scientists affiliated with the National History Museum of France announced that a recently discovered woolly mammoth specimen may contain DNA samples suitable for cloning. The mammoth is currently preserved in the permafrost of the Siberian tundra, where it died 23,000 years ago. If sufficient amounts of soft tissue have survived " for example, the ears and the tail " scientists may attempt to clone the mammoth using the eggs and womb of an Asian elephant, a distant relative, according to Professor Larry Agenero...
In the mixture of the mess they seemed to notice what was once one of the mammoths who roamed the earth during the ice ages. ... 'A mammoth! A mammoth!' ... (Chorlton 54) Unfortunately the mammoth soon began to decay and was swept away by the rapid waters. ... Mammoths, bison, horses, muskoxen, camels, caribou, and other plant eaters, along with cats, wolves and bears that preyed on them. ...
Well-preserved mammoths have been found in ice and frozen soil in northern Siberia. ... Mammoths are elephants which lived in seasonal grass plains and experienced severally cold winters. ... If a mammoth falls into one, it dies and becomes permanently frozen. ... In conclusion, those freezing temperatures enzymes are inactive and that is the reason why mammoths are well-preserved for so long because the enzymes could not break them down at such low temperatures. 5. ...
Through their findings of stone tools, animal bones, and mammoth tusks that show signs of chopping in them due to human activity which have carbon dated, they have found that either humans or Neaderthals have been around longer than once thought. ... This could pose a problem with the relativeness between the stone tools and the markings on the tusks of the mammoth. ...