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Darwin Theory Of Evolution Animals And Plants
1,691 words... uil ding blocks of the development of new species. The majority of mutations tend to create adverse traits, such as, albinism. Albinism is a mutation that contains mutant genes, which lack the ability to generate normal skin pigment. Animals and plants, which contain the albinism gene, are unable to survive and reproduce as much and as well as the animals and plants without the albinism gene. Thus stating, that organisms with a mutant gene, will be unable to survive and reproduce as well as ...
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Homo Erectus Homo Habits
613 wordsHomo erectus. Homo erectus (straight walking people) lived in the period from 2 million until 400 thousand years ago. There is a version, that they first appeared in Africa and than gradually spread through the rest of the Ancient World. Eugen Dubois found the first fossils of this specie in the end of XIX century on Java Island (1891 - 1893). In the lower-quarter layers, on the left bank of river Solo (or Bengavan), near Trinil were found a skull, one hip bone and three teeth (picture 1). Since...
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Cranial Capacity Significant Differences
983 wordsThe Human Brain Through the use of molecular biology it is thought that the hominidae family first appeared about 5 million years ago. Based on this time frame it is believed that an African Hominoid lineage was present shortly before that time, approximately 10 my, which contained the common ancestor to both the chimpanzee and human. The split into proto-chimpanzee and proto-human occurred during the last million years of the Miocene epoch. (Changeux and Chavaillon pg. 61). The fossils, especia...
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Cranial Capacity Ethnic Groups
1,292 wordsThe debate which I will be delving into in this paper is known by a variety of names, but be it referred to as nature versus nurture or blood versus environment the players on both sides remain the same. Those who believe that human nature is determined by genetics and therefore cannot be changed are usually among the reactionary elite. They tend to be overt racists or a t least predisposed to stereotypes of ethnic groups or classes. They vehemently dispute the opposing view that can be used to ...
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Million Years Ago 5 Million Years
1,716 wordsThe Earliest Hominine's The first undoubted homicide discovered thus far is Ardipithecus radius, which was found in 1994 and is known from 17 fragments of teeth and bone. It dates to approximately 4. 4 million years ago. Thought to be the descendent genus of Ardipithecus is the genus Australopithecus; individuals of this genus were bipeds while on the ground and had ape-like brains and dexterous hands. There are at least six species of Australopithecus: A. anamnesis, A. afarensis, A. aethiopicus...
Free research essays on topics related to: modern humans, million years ago, set the stage, cranial capacity, 5 million years
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