E portfolio assignment Essay Example | Topics and Well Written Essays - 250 words

E portfolio assignment - Essay Example Accordingly, skulls are divided into three categories. The mammals like sheep, pigs, cows and horses have non-primate skulls. Baboon, Gorilla and Chimpanzee belongs to non-human primate skulls. The third category, called hominid skulls details the shape, size and other known parameters of human skulls.(NS 201, p87) The study of historical components of life within the scope of Biology relates to biodiversity. In addition, the recent space research results have aroused the interest of many scientists to study the possibility of existence of life, in planets beyond earth, like Mars, Saturn or some moons of Jupiter. Such studies are called â€Å"exo-biology†.(NS 201, p34) Many species of animals and human beings have common characteristics in their structures that show the similarities of their organisms. Accordingly, Homology relates to studies in this direction. For example, many similarities are found in the structure of human skeleton and that of a chimpanzee. Many animals from a common ancessetor inherit the basic vertebrate â€Å"body plan†, although they may have distantly related organisms. Such animals have homologous skeleton structures.(NS 201, p51) According to Darwin, natural selections are slow and dependant on the environmental changes. Hence, these may not be observable during the lifetime of any scientist. Accordingly, these mechanisms are studied with the help of simulations, using different methods like directional, stabilizing and disruptive selection models.(NS 201,