服务承诺
资金托管
原创保证
实力保障
24小时客服
使命必达
51Due提供Essay,Paper,Report,Assignment等学科作业的代写与辅导,同时涵盖Personal Statement,转学申请等留学文书代写。
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标私人订制你的未来职场 世界名企,高端行业岗位等 在新的起点上实现更高水平的发展
积累工作经验
多元化文化交流
专业实操技能
建立人际资源圈Evolution_Of_Man
2013-11-13 来源: 类别: 更多范文
Evolution Of Man
Human Evolution can be defined as the change an organism undergoes through a period of time. Humans have undergone many significant stages of changes through time. The most significant being the development of the human body in general brain size and body structure. The human race has spread all over the world, the first sight of man is unclear there are estimates to where the first human was found.
One way man has evolved over time is the brain. One of the earliest human to be found was during the Homo habilis period 2.2 1.6 million years ago (Mcnamme, 1982,p.42) Researchers found that humans in this era had a brain capacity between 500-650 mL. The homo habilis was known to be the handy man because, researcher found tools with the fossils of these humans. During the Homo erectus period 1.8 0.3 (Leakey, 1977,p.196) million years ago the brain capacity of a human had increased to between 750-1250 mL (Leakey, 1977,p.196). As the brain increased it is known that humans during this era developed weapons, tools, and learned to build a controlled fire, but it is still not known for sure that they had any kind of speech or
homo, brain, habilis, body, humans, skull, very, erectus, man, human, years, developed, today, size, sapiens, over, one, neanderthals, evolved, time, thick, small, large, found, era, capacity, bones, ago, first, during, devolved, about, tools, through

