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Sample questions - Multiple choice questions Answers are in...

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Multiple choice questions: Answers are in bold. If you wish to study without the answers, please select all text and unbold them before printing. 1. Who was the first person to use the term “ecologie” (oekologie)? a. Charles Darwin b. Theodosius Dobzhansky c. Ernst Haeckel d. Aristotle 2. Which of the following factors can be considered a biotic factor affecting the distribution and abundance of trees in a forest? 3. Which of the following features defines the limits of an ecosystem? 4. Which of the following ecosystems would likely be particularly dynamic? 5. Which of the following conditions is required by heterotrophic organisms, but not required by autotrophic ones? a. Light b. Organic matter as source of nutrition c. Water d. Sulphide compounds 6. Which part of the hydrosphere contains the most water? 7. Which of the following studies is an example of applied ecology? 8. The replacement of T. latifolia by T. glauca in Cootes Paradise Marsh is an example of: Continue to next page 1
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9. A researcher randomly selected 25 tadpoles that had just emerged in each of 13 ponds, and then measured their duration at the tadpole stage. She also measured the mean temperature of the pond water while the tadpoles were developing. She then calculated the mean duration for each pond. The data are plotted below, with each circle representing the mean growth rate of the 25 tadpoles in each pond. Based on the following, which of the following statements is correct? mean duration of tadpole stage (d) water temperature ( ° C) a. Water temperature has no effect on the development time of tadpoles b. Tadpoles cannot detect changes in water temperature c. The rate of tadpole development is affected most by concentration of phosphorus in the pond d. The duration of tadpole stage tends to decrease as temperature increases in the pond
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