Biological Radioactivity Test - Theoretical
Remember the nuclear accident at Chernobyl (former Soviet Union - now the territory of Ukraine) in 1986? A scientist suspects that the food in a nearby ecosystem may have been contaminated with radioactive nitrogen over a period of months. Which substances in plants and animals could be examined for radioactivity to test ...continues
Life on Earth - biological concepts from the non-science major perspective
There are two articles on the myths of agricultural biotechnology (one from the popular press and one from the peer reviewed journal (the links are below): article no. 1. http://www.vegsource.com/articles/gmo_feed_myth.htm & article no. 2. http://www.emater.tche.br/docs/agroeco/artigos/biotecologia.pdf Can you plea ...continues
I need help with question # 2, 5, and 6. For number 5, I need an explaination for the reason for each number and for number 6 I would prefer a chart. 2. The definition of a species varies among different schools of thought, discuss (compare and contrast), two concepts. 5. Using the information you hgave gained, arrange the ...continues
The population profiles for developed and developing countries
The population profiles for developed and developing countries are fundamentally different. What are the differences? Define the epidemiological transition and the fertility transition and relate them to the four phases of the demographic transition. Different regions of the world are in different phases of the demograph ...continues
Hi, I would like to have a study guide for my biology exam coming up this week. Could you find the answers to these questions? Please be sure that the answers are correct and take the full alotted time if needed. 1. Does a clam have no body symmetry, bilateral symmetry, or radial symmetry? 2. Indicate each of the followin ...continues
Hi, I would like to have a study guide for my biology exam coming up this week. Could you find the answers to these questions? Please be sure that the answers are correct and take the full alotted time if needed. Complete the following multiple choice questions 4. Sponges cannot hunt their prey, cnidarians can. Cnidaria ...continues
You are eating a fruit salad that contains the following ingredients: bib lettuce, bananas, apples, coconut, kiwi, mango, avacado, figs, and almonds. Make a list or each item in your salad and their countries of origin. Include why each fruit grows well in that particular area. Then, search the Internet to determine what crops a ...continues
Global warming and greenhouse gases
If you were asked to become the minister or secretary in the Federal Government or United Nations in charge of doing something about global warming, what policies would you attempt to implement? Why? Consider the following: What is global warming? What are the contributing factors? What are the potential impacts? How can this ...continues
How would you create a city that does not produce more air pollution than the atmosphere can cleanse naturally? In creating this more sustainable environment, consider livability, safety, and convenience. Consider this as your personal game of Sim City. How do you design a city that does not produce more air pollution than th ...continues
It is argued that many environmental regulations are too costly. Do the economic effects of environmental public policy outweigh the costs? Some policies have little or no direct monetary costs. These policies remove subsidies to special interests and restrict or deny access to national resources. Many environmental policies ...continues
