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Midterm Fall 2007

Midterm Fall 2007 - TROPICAL ECOLOGY/THE NATURE OF TROPICAL...

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1 TROPICAL ECOLOGY/THE NATURE OF TROPICAL FORESTS MIDTERM Fall 2007 Prof. Arthur C. Gibson INSTRUCTIONS: PRINT your name clearly on the answer sheet. Be sure that question number corresponds to the number of the answer sheet. If you do not understand a question, ask now. Be sure to answer all questions, because there is no penalty for guessing. Turn in the answer sheet; keep the exam questions. The answer key for the exam will be posted before dinnertime today on the course website. MULTIPLE CHOICE. Items 1 45 on the Answer Sheet. 2.9 points each. Notice that some of the questions are written in a negative format. The responses of each question are listed in alphabetical order. Select the one best answer for each. 1. Animals classified in family Dendrobatidae: (a) are avoided by predators because they have painful stingers on the abdomen; (b) are predators active generally at nighttime, because they are too easy to spot during daylight; (c) spend most of their lives living on green leaves in the canopy, because these are tree frogs; (d) typically specialize in eating ants; (e) a and c. 2. Müllerian bodies are: (a) food rewards for ants on acacia leaves; (b) fruiting structures of special tropical mycorrhizal fungi; (c) lipid-containing attachments on seeds being dispersed by ants; (d) the hardened outer wing covers of beetles; (e) tiny structures rich in glycogen and lipids produced at the bases of Cecropia leaves. 3. Choose from this list countries or a region belonging to the Neotropics: (a) Colombia and Venezuela; (b) continental United States; (c) Indonesia; (d) New Guinea and Queensland; (e) the Congo. 4. Deciduous tropical forests are found:
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