25 Jun strayer sci115 week 8 to week 11 discussion
Question
week 8
“Evolution of Disease, Humans, and Animals”
Note:Online students, please respond to one (1)of the following three (3) bulleted items.
In your own words explain the concept of rRNA then suggest three (3) reasons why scientists choose to use rRNA as an Evolutionary Chronometer.
Provide a 100-250 word debate as to whether or not you believe that epigenetic marks can be inherited. Next briefly summarize the nature of the information that epigenetic marks store.
Read the New York Times article entitled, “Reverse Engineering Birds’ Beaks into Dinosaur Bones” found here then provide a brief summary of the article. Next discuss whether or not you believe that the evolution of birds can be reversed. Why or why not?
week 9
“Evolution of Animals and Population of Humans”
Note: Online students, please respond to one (1) of the following three (3) bulleted items.
Read the New York Times article entitled “From Single Cells, a Vast Kingdom Arose” found here then provide a summary of the article. Next discuss what you believe to be the origins of animals.
Consider three (3) problems out of control population growth will create in regards to the environment. Next discuss three (3) effects of China’s one child rule. In your response please consider social, ethical and environmental sides of the effect.
Read the Guardian article entitled, “Humans creating sixth great extinction of animal species, say scientist” found here. Next provide a brief summary of the article and in your summary discuss what, if anything happens when an animal or plant species becomes extinct. Next propose three (3) human behavior changes that could help prevent or slow down animal extinction. Justify your response.
week 10
“Effects on the Environment”
Note: Online students, please respond to one (1)of the following four (4) bulleted items.
Discuss three (3) positive and three (3) negative impacts of humans on the biosphere. Which positive and negative impacts do you believe are the most significant to consider. Justify your response.
Describe two (2) techniques required to study ecosystems then provide an example of each technique. Suggest two (2) advantages and (2) disadvantages for each of your chosen techniques.
Listen to the Ted Talk titled “Jane Poynter: Life in Biosphere 2” found here. Suggest three (3) lessons we can learn from this experiment then describe what you believe life will be like living in an extreme environment (e.g., underwater, outer space). Justify your response.
Read the BBC article entitled, “Global warming increases ‘food shocks’ threat” found here. Next in your own words define global warming and state three (3) effects of global warming that you believe will have the greatest impact. Lastly debate whether or not you believe that science could improve the nutrition of millions around the globe. Justify your response.
Reply Quote
11
“Course Recap and Looking Forward” Please respond to the following:
Thinking back on what you have learned in this course, discuss the single most interesting or surprising thing you learned, as well as what made it so.
If you were to speak with a friend considering taking this course, describe how would you “sell” it to him or her. Explain your rationale.
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