Reference no: EM131295954
Assignment
75 word minimum for questions 1-3. Any materials used in answering the questions must be put in your own words and the reference(s) must be properly cited.
1. DNA is the genetic molecule of life. What is your evidence that DNA is the molecule of inheritance?
2. Scientists were able to produce a giant mouse through use of human or rat growth hormone and the production of pigs with leaner meat from use of bovine or human growth hormone. Other research involved clinical trials on gene transfer in cancer and other disease treatment. Is this type of research beneficial?
3. Genetically-modified (GM) organisms are a source of tension and trade disagreement among many countries. Research a GM organism. Should scientists be banned from modifying our foods? Present an argument for or against.
100 word minimum for questions 4-10, diagram for #6 is on page 2 of this document. Any materials used in answering the questions must be put in your own words and the reference(s) must be properly cited.
4. Invasive species are exotic to new areas and growth rapidly. Give two reasons why an invasive species is able to take advantage of a new area.
5. Concerning population size and population density, explain one way each of the terms differ from each other in relation to their a. importance in predicting competition in a population; b. importance in predicting resource use in an area; and c. relationship with each other.
6. In figure 17.4 of chapter 17 READ section, explain the top and bottom graph which compares the age structure of less developed and higher developed countries, specifying the x and y axis. Give an example of a nation with this type of age structure diagram. What does a high fertility rate tell you about the future of this population?
7. Some ecologists argue that "there is no true form of commensalism." Define commensalism and give an example of it in nature. Do you agree this statement? Defend your argument.
8. Explain the difference between a fundamental niche and a realized niche.
9. How does competitive exclusion result in: a. character displacement and b. extinction? Describe the pathway that a community takes to lead to each result.
10. Define aposematic coloration. Give an example of this in nature.
Attachment:- Reading.pdf
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