Wednesday, February 19, 2020

Ecology and Diversity of Cambrian Faunas Lab Report

Ecology and Diversity of Cambrian Faunas - Lab Report Example It was required to compare the results with information on modern faunas and normal Cambrian faunas. Also, it was required to discuss the representativeness of the former and the differences between the latter and Cambrian faunas.   It represents most of the deep marine but not shallow or tropical one. The reason for this is that Cambrian rocks only have marine fossils, mainly for species that lived on hard substrates on the sea floor and this includes Burgess Shale fauna   6. How does fauna of Burgess Shale compare with that of Cambrian deposits exhibiting normal (mineralized hard part-only) preservation, in terms of higher taxa represented and their relative proportion? How representative therefore are normal faunas?   In terms of higher taxa representation, Cambrian deposits exhibiting normal (mineralized hard part-only) preservation accounts for only a minor component of the total diversity. Similarly, in most Burgess Shale-types deposits, the Shelly assemblage normally represents a small proportion of the collected specimen. In this case, soft-bodied organisms fossilized remains especially from Burgess Shale the Cambrian ecosystem knowledge could be totally limited   Burgess fauna consists of many soft-bodied animals’ fossils as well as those with hard parts. A completely soft-bodied animal normally rot away before it is fossilized. Hard parts are crucial because they are more easily preserved; they are seen to help an organism last for a longer time to become fossilized. Burgess Shale is rich in life most of the fauna in it are soft bodies while it contains only 0.89% of mineralized hard parts.   Burgess Shale, organisms lived in underwater mud banks, the moving water buried living organism in moving sediment. They are therefore found in random orientation. Modern muddy marine invertebrates usually curl up upon dying but fossils of the Burgess Shale locality never exhibit such coiling and there is evidence that this organism died instantly.   

Tuesday, February 4, 2020

The Causes and Effects of Being a Student in a Foreign Country Essay

The Causes and Effects of Being a Student in a Foreign Country - Essay Example It could be that a relative who lives aboard is in need of their assistances. The student therefore will travel to come to the aid of their kin. Not wanting to leave their education aside for the time that they are in that different country, they enroll in school. However, it is not always the case that the family has an issue, sometimes there are positive causes in the family, such as relocation. In the case of relocation the parents of the student might have obtained a job abroad. Then the student would move just to stay with their parents, and end up attending a foreign school as a result. Some of the more depressing reasons that a student might need to study abroad without truly wishing to do so it because of health reasons. The student could become ill and need special medical assistance that they cannot receive in their own country. The student would, therefore have to move where that medical care is provided. Students might also find that they have to study in different countr ies because of financial reasons. ... If fact, it is more common for students to study abroad simply because they choose to than because they had no other choice. For many students, studying in a foreign country is an exciting opportunity. The Effects of Study Abroad Rather the student is studying abroad because of their active decision or because of issues in their life that thy found unavoidable, it is clear that learning in a foreign environment has great benefits for the development of the student’s intellect. As it was reported, â€Å"International educators at either side of the Atlantic have long recognized that college students returning from studying abroad show positive changes† (Hadis, 2003:p.3). Some of the benefits to the student include a greater awareness of global affairs, heightened foreign language acquisition, increased cultural sensitivity, and new experiences. These benefits are becoming more and more important in today’s society, where globalization is being spread at a rapid pa ce. One day, only those who have a better global view will be able to truly be successful. Since students are such because they are seeking to better themselves, it would seem that the opportunity to study abroad is one that no student should pass up on. IT keeps them from having tunnel vision. Overall View of Study Abroad Getting an education is a powerful way to change a person’s life. Getting an education in a country that is not their own is a way of adding even more power to their education. One of the best ways to be a success is to have a diverse set of experiences from which to draw. Studying abroad is a method to gain these experiences. This route of