Invasive Species Essay Example | Topics and Well Written Essays - 250 words

Invasive Species - Essay Example Invasive species in certain regions are assumed to threaten the rest of the ecosystem especially those species which have became extinct. It so happens when any specie increases in population it declines the chances of growth for the others. However, this is an assumption as there is no data or researched hypothesis to support these assumptions; extinct species become scarce due to miscellaneous biodiversity factors and due to these their population starts declining in their native regions. Some researchers consider that human interference in the ecosystem has caused this disrupt, either directly or indirectly. Similarly, when ecologist harvested certain species in a foreign environment it also disrupted the biodiversity of the area and numerous species as well. It cannot be exactly claimed what became the cause of threat for extinct species, but there are many unknown factors to humans about the environment and biodiversity of life on Earth. Brown tree snake of Guam is one of the ex ample, which the author discusses in the article. Yet, it is imperial to study the impact of exotic plants, invasive predators and pathogens in a foreign environment as their nourishment and existence will depend on numerous factors in the new environment.Conclusively, it is significant to research, plan, protect, and preserve the extinct species in their native and natural environment as new regions will impact on their growth in an unknown manner and that cannot be ascertained by humans in a rapid manner.

The Effects of Fast Foods on the Health of Persons Consuming Them Research Paper

The Effects of Fast Foods on the Health of Persons Consuming Them - Research Paper Example China has a vibrant fast food industry that is largely populated by western players of which key among is the Kentucky Fried Chicken and even the globally revered McDonald fast food restaurant chain, which according to Bankman and Alivisatos is expanding at a sporadic rate with ten new restaurants being opened on a weekly basis. This clearly affirms how the Chinese diet has integrated fast foods that bear origin to the western world (1). Bankman and Alivisatos lamented that fast foods majorly offer western-style foods that are made up of high contents, carbohydrates, saturated fat, and sugar that have less nutritional value and with a lot of processing (1). Sipahi in his writings stated that such fast foods have attributed to the rising cases of obesity in countries that include U.S, China, and the UK, where it has spiralled to an alarming level thereby being declared a serious national crisis (56-58). Schneider further added that a previous research study conducted by the German Ins titute of Human Health established a clear relationship between the consumption of a western diet that has high contents of potatoes, sugar, refined grains, and meat with weight gain among the consumers (1). Secondly, Schneider wrote that in a recent research study published in 2012 on the journal circulation showed that there was credible evidence to prove that Chinese people who consumed the western fast foods for more than twice a week had a high risk of suffering from cardiovascular diseases and diabetes (1). This research study noted that there has been an increase in cases of obesity among the Chinese people because of the fact that consumption of fast food is related to physical inactivity.