Sample test 1 - Name:_ Page 1 of 9 Instructions: -Write...

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Name:_____________________ _______ ____________ Page 1 of 9 Instructions: --Write your name on all pages --Make sure all pages are attached --The math needed to solve a problem should be relatively simple. On math problems make sure you show how you made each calculation. (Writing down the appropriate equation, and explicitly showing your calculation steps makes the best answer). Remember to include the units in answer. Practice Exam Midterm 1 PAGE POINTS POSSIBLE SCORE 2 17 ______ 3 14 ______ 4 10 ______ 5 13 ______ 6 14 ______ 7 12 ______ 8 10 ______ 9 10 ______ _____ _________________ TOTAL 100 ________
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Name:_____________________ _______ ____________ Page 2 of 9 1.( 6 pts ) You discover a plant that is present on the UGa campus and surrounding areas, but not in Virginia. To experimentally address the absence of this species in Virginia you conduct a transplant experiment to test which factors may be limiting its range. You plant several individuals of this species in experimental plots in Virginia both inside protective cages that limit contact with other species and outside cages. What result would you expect from this experiment… a) if the plant species was dispersal limited? b) if the plant was limited by physical factors? c) if the plant was limited by high competition with other plants? 2. ( 2pts ) More than 100 years ago, volcanic eruption completely removed all the biota from the island of Krakatoa. Today, the island is filled with many plant and small animal species. However, certain groups of species (e.g., plants, spiders, insects) have been quicker to reappear than others. Why? ______________________________________________________________________________ 3. (2 pts) Plants often compete with one another through the production of toxins in the soil. This is called______________________________ 4. (3 pts) List the 3 components to a good ecological experiment 5. (2 pts) Some of the advantages associated with dispersal, which counterbalance the obvious disadvantage of high mortality, include: 1) locating new habitat, 2) avoiding competition, and 3) escape from predation. What major benefit has been left out? _____________________________________ 6. (2 pts) Which of the following groups best illustrates the effects of oceans as barriers to dispersal? A. Birds B. Weedy plants _________ C. Terrestrial mammals D. Marine mammals E. Insects
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Name:_____________________ _______ ____________ Page 3 of 9 7. ( 6 pts ) Sketch and label the relationships between per capita growth rate (r) and population density (N) under the following conditions (recall your models for the growth of single populations). Label
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Sample test 1 - Name:_ Page 1 of 9 Instructions: -Write...

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