Michael tans essay about cultural ecology

Religion The concept of cultural evolution has had a problematic history because its initial usage became linked to 19th century efforts by Western societies to justify their dominance over other societies. Despite this initial misuse, however, cultural evolution remains an important mainstay of anthropological research. As currently used, the concept parallels biological evolution in the sense that societies frequently acquire and spread important traits as they adapt to the pressures confronting them. We will write a custom essay sample on Cultural Evolution or any similar topic specifically for you Do Not Waste HIRE WRITER A very simple example might be a coastal society developing increasingly superior technologies for acquiring food from the ocean in response to the demands of a growing population for food or to the disappearance of land-based food resources.

Michael tans essay about cultural ecology

Get Full Essay Get access to this section to get all help you need with your essay and educational issues. Tan, Joshua Michael L.

Torres, Pauleen Anne S. Vanadero, Paulene Arielle P. Ynzon and Rachel Pauline E. There are four kind of distillation: Simple distillation is the process wherein the pure liquid is separated from the solution with different boiling points.

The pure liquid turned into a vapor and left the distilling flask. The vapor then was condensed in the condenser and turned into a distillate. The distillate was collected in a calibrated and numbered test tubes and the temperature was recorded as well.

The group was able to acquire There are four methods of distillation: It is by boiling the liquid solution in a pear-shaped distilling flask and for it to evaporate and pass through the condenser for it to become a distillate.

Fractional distillation is almost the same as the simple distillation, the only difference is that in a fractional distillation, fractionating column is used which is attached at the top end of the pear-shaped flask and it is connected to the condenser as well.

Vacuum distillation is a process used to reduce the pressure to a lower boiling point.

Cultural ecology research paper

In a steam distillation process, the main objective is to separate the two components in a temperature that is lower than their decomposition point. Steam distillation is process of separation to separate natural aromatic compounds.

In order for the boiling point of the mixture to subside, steam or water is to be put in the distillation apparatus. Helmensenstein, The group performed simple distillation in order to separate the alcohol content of vodka from the solution.

The objective of this experiment was to separate the alcohol component in the Vodka Antonov and to compute for its percentage of ethanol. Materials The materials the group used in this experiment are Vodka Antonovboiling stones, alcohol lamp and the quick-fit apparatus which consist of the following: Methods The very first step in this experiment was to make the simple distillation set-up.

The iron clamp attached to the iron stand became the supporting apparatus for the distillation head, which was connected to the pear-shaped flask and another iron clamp attached to the iron stand was supporting the condenser, which a part of the distillation head and the vacuum adapter was connected to.

The thermometer was attached at the top end of the distillation head together with the thermometer adapter to see the regulation of the temperature. The group prepared 20 test tubes and it was calibrated to 5mL, marked the lower meniscus of it using a marker and labeled it accordingly. Boiling chips were placed inside the pear-shaped distilling flask in order to avoid bumping of molecules and prevention of having a contamination.

Alcohol lamp was used as the heat source. The group rotated it under the pear-shaped distilling flask in order for the liquid mixture to boil. Each of the calibrated and numbered test tubes, the group collected 0. This was applied for all test tubes that was filled with 0.

For the first three to five drops of the distillate in the first test tube, it was collected and placed in a watch glass. The same procedure goes with the last three to five drops of the distillate in the last test tube. Flame test was applied to these collected distillate in order to check the presence of ethanol.

Cultural Relativism Essays: Examples, Topics, Titles, & Outlines

The fractionating column is attached to the pear-shaped flask. This is the reason why fractional distillation is more efficient than simple distillation. Yoder, Table 1.Cultural ecology research paper. Why emory essay best teacher essay writing about myself essay for university reflective essays on group work roles riemann integral beispiel essay.

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Vídeos. Facebook. Blog. Blog de Karol Martins. by Michael Tan ABSTRACT In response to Goff, Boesdorfer, and Hunter’s article on the use of a multicultural approach to teaching chemistry and the nature of science, I forward this critical reflective essay to discuss more general curriculum aspects of.

Michael tans essay about cultural ecology

Cultural Ecology Research Paper This sample Cultural Ecology Research Paper is published for educational and informational purposes only. Free research papers are not written by our writers, they are contributed by users, so we are not responsible for the content of this free sample paper.

Cultural Ecology also interprets cultural practices in terms of their long-term role in helping humans adapt to their environment.

For example, about 10 million Yaks live on the Tibetan plateau and are therefore commonly used in Tibetan culture for transportation and subsistence needs. Cultural ecology is the analysis of the relationships between a culture and its environment. Culture is shaped by the physical and biological properties of the area or region in which it is developed.