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BIO 220 RS Human Populations And Toxins
Environmental Science (BIO-220)
Grand Canyon University
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Human Population and Toxins Resource
There are different perspectives on human population growth and the dynamics associated with population change. Go to CIA World Factbook website using the link in the topic Resources and choose one developed country (not the United States) and one developing country and compare the following and answer the questions:
Developed country (Developed country is a country which has an effective rate of industrialization and individual income) Australia
Developing country (Developing country is a country which has slow rate of industrialization and low per capita income) Samoa Population growth rate
1`% 0%
Birth rate 12 births/1,000 population 19 births/1,000 population
Death rate 6 deaths/1,000 population 5 deaths/1,000 population
Net migration rate 7 migrants/1,000 population -7 migrants/1,000 population
Each question should be answered in a minimum of 200 words.
- Why do you think the population is increasing or decreasing for that country? Try to explain at least two reasons as to why this is happening? (Please refer to your textbook) Population changes due to various conditions. The three main causes of population change are birth, death, and migration. There are underlying reasons each cause will rise and fall based off of the overall health of the country. Australia and other developed countries have high population growth due to a high amount of resources, higher education resources, access to better health care and so much more. more people are likely to have access to plenty of food, water, shelter and basic needs with an abundance of excess. Samoa, just like many other developing countries, still need support from other countries to get access to the things developed countries have. This causes a lower number of people to want to stay and grow families in this type of a country due to the fear of running out of resources. When people live in a developing country, such as Samoa, there are typically less police force and less access to proper health care, this makes for less © 2021. Grand Canyon University. All Rights Reserved.
people who want to stay in the country and less people wanting to create families there. When living in developed countries, such as Australia, there are so many resources available that people from developing countries are more likely to move there than to stay where they are from.
- How do diseases affect the population? Can you think about any diseases that has affected the human population? (Please use peer reviewed sources to support your answer). Each disease affects every person differently, therefore each person will not be affected the
same as another. When looking at recent infectious diseases, certain diseases can cause death for many. According to the CDC there have been 847,577 deaths caused by corona-virus since it has become a pandemic globally (CDC, 2022). That is roughly 8% of the entire world’s population. This has been seen through every pandemic our world has encountered. Other infectious diseases/viruses that have occurred recently that have caused a large number of deaths throughout the years include the swine flu and Ebola. The Swine Flu occurred from 2009-2010, killing nearly 200,000 people. Whereas Ebola occurred 2014-2016 and only resulted in 11 thousand deaths (LePan, 2020). Though those two did not result in nearly half of the amount of deaths that the coronavirus is currently causing there were a few that resulted in much more than Covid-19. The Bubonic Plague killed nearly 200 million people 1347-1351. The Spanish Flu killed somewhere from 40 to 50 million people in one years time span from 1918-1919. Also, HIV/AIDS is still an issue killing nearly 35 million from 1981 to now (LePan, 2020). When having a larger population, the people are closer and can spread their illnesses quickly from one to the other. The higher the population, the quicker illnesses spread, making it easier for deadly illnesses such as these to spread and negatively impact the population.
Resource
Centers for Disease Control (CDC), (January 14, 2022). Trends in Number of COVID-19 Cases and Deaths in the US Reported to CDC, by State/Territory. Retrieved from covid.cdc/covid-data- tracker/#trends_totaldeaths_totaldeathsper100k on January 14, 2022.
LePan N., (March 14, 2020). Visualizing the History of Pandemics, Retrieved from visualcapitalist/history-of-pandemics-deadliest/ on January 14, 2022.
- Looking at the countries you compared, what are the toxins present in the environment that impact human health? Provide one example for each country. In terms of environmental toxins, Samoa puts off less toxins than Australia puts into our atmosphere. Australia has an emissions rate of 105 megatons of methane while Samoa only had an emission rate of 0 megatons. Methane is considered a suffocation hazard when in contact with large amounts in an enclosed space, though it is not considered an air toxin, it is a climate pollutant (aqmd). This does not pose as much of an issue as the carbon dioxide emissions do. Australia has a carbon dioxide emission rate of 375 megatons while Samoa only has 0 megatons. Carbon dioxide exposure can create an abundance of health issues such as dizziness, convulsions, headaches, and even put people into a coma. Though each person reacts differently to toxin exposure based on their size, age, health, and time span, all exposures leading to symptoms should be seen by a doctor as soon as possible (WDHS, 2021). Developing countries produce less toxins due to the lower amount of people and lower amount of man made items being used daily. While on the other hand, developed
© 2021. Grand Canyon University. All Rights Reserved.
BIO 220 RS Human Populations And Toxins
Course: Environmental Science (BIO-220)
University: Grand Canyon University
