Pre-history :: essays research papers

Pre-HistoryAnthropologists Anthropologists c all for the skeletal remains of prehistoric life. Two examples of famousanthropologists are bloody shame Leaky and Donald Johanson. Donald Johanson was the anthropologist who notice Lucy. Lucyis the first known sign of humanity. The technical send for for Lucy isAustralopithecus. The odd thing about Lucy is that she was both modern and pre-historic, having arms thirster that her legs, and being bipedal was a strange combination for a creature said to be three million ancient age old. Anthropologists study all over the world, but Lucy was found in Africa. radiocarbon Dating Radio Carbon dating is a dating method in which the make sense of carbon14 in anobject is measured. The bodies carbons start to decay at death so they measure how old something is bymeasuring its amount of carbon. thither are two major problems with this method though. 1) Thespecimen can unaccompanied date back about 100,000 years. 2) If the original amount of car bon was misrepresented forany reason that will mess up the date given. For those reasons scientists veritable other methods thathelp date things more accurately. These methods include the stardust theory and the river delta theory. spyglass Age Glaciers large, slowly moving masses of snow and spyglass. Each of the foursome cold weather periodslasted from 10,000 to 50,000 years ago. The Ice Age. Scientists believe that the age we continue in startedafter the 4th period Ice Age sone25,000 years ago. Today 1/2 the earth is covered in ice. During the trinity period 1/3 of the world was covered in ice. The ice age made animals either migrate or disappearentirely. (Saber Tooth Tiger, at sea Mammoth) It also shaped the continents we live on today. Therewere also bring down bridges in the Ice age.Paleolithic Age Paleolithic nitty-gritty old stone we called it the stone age. 1974 Ethiopia Donald Johansona well known anthropologist discovered female skeletal remains that might have be en as old as 3 millionyears. Cro-Magnon People When neanders disappeared cros appeared in Europe. Better tools and weaponswere made, the 1st spear and paintings were made in this age.