EVERGREEN FTTS 2004 - Key to First Week’s Quiz Questions (2 pages)

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Key to First Week’s Quiz Questions



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Key to First Week’s Quiz Questions

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2
School:
Evergreen State College
Course:
Ftts 2004 - Forest Through Time and Space

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FTTS 10 11 04 Key to quiz 1 Key to First Week s Quiz Questions 1 What are the characteristics of a stand of trees that make it a forest Be as specific as you can ANSWER The most obvious characteristics of a forest that separate it from a stand of trees all include diversity at a multitude of levels tree species understory species trophic levels age animals living within disturbance cycles biological legacies etc Any one particular forest may not have all of these characteristics however it will have several of them That being said there is not a clearly defined line that separates a forest from a stand of trees To some extent it is a matter of interpretation and degree of scrutiny The word forest is often modified by other adjectives e g primary forest second growth forest early stage successional forest All of these forests differ widely from one another yet they all contain different types of diversity In order to receive full credit for this question you need to have listed a number of examples of types of diversity found within a forest 2 Some tropical plant species produce flowers that are foul smelling and brown in color Propose three alternative hypotheses that could explain this observation For each of your three hypotheses generate at least two predictions that follow from that hypothesis Remember that one of the primary purposes of prediction in science is that when a prediction turns out to be untrue you have effectively falsified your hypothesis and this is the goal Therefore you are trying to generate predictions that necessarily follow from the hypothesis Design a test that will enable you to discriminate between at least two of the hypotheses that you have generated Your test may be based on field work laboratory work or literature review with natural or perturbed systems anything that seems appropriate to distinguish between your alternative hypotheses ANSWER There are many more possible hypotheses and predictions and tests thereof than described



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