Final Winter 2005


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1 THE NATURE OF TROPICAL FORESTS FINAL Winter 2005 Prof. Arthur C. Gibson INSTRUCTIONS: PRINT your name clearly on the Scantron 885 form. Mark the correct answer with a #2 pencil as you answer each question. Be sure that question number corresponds to the number on the Scantron form. 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 Scantron form; keep the exam questions. Please also complete the evaluation forms and place them in the appropriate folder. The answer key for the exam will be posted before dinnertime today on the course website. MULTIPLE CHOICE. Items 1 70 on the Scantron form. 2.8 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. Choose from the following an organism that is not an ectotherm: (a) bushmaster ( Atrox ); (b) Caribbean crocodile ( Crocodylus ); (c) green iguana ( Iguana ); (d) poison dart frogs ( Dendrobates ); (e) tree sloth ( Bradypus ). 2. Using analysis from Prandtl, when air moves faster over a bird wing versus under that wing, it creates: (a) drag; (b) lift; (c) pitch; (d) thrust; (e) yawl. 3. Choose from the following a true statement: (a) Cassowaries are the only birds to form harems; (b) Hornbills use the large “horn” on the upper bill to rip open termite nests in search of food; (c) Monotremes are birds that lay their eggs in a compost mound that creates heat and thereby speeds hatching; (d) Tinamous are poor-flying ground birds of neotropical forests; (e) Typical antbirds of the Neotropics eat primarily workers of army ants. 4. The tropical crop sugar cane ( Saccharum ): (a) is cloned via stem cuttings, which root easily, especially when planted in volcanic soils; (b) is harvested for glucose stored in its rhizomes, which are heated to produce molasses; (c) is harvested for sucrose stored in the leaves; (d) is planted via seeds in the wet tropics; (e) like bamboo, has very hard internodes that are hollow.
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2 5. Although not familiar to many North Americans, these animals belonging to family Viverridae are important, nocturnal, catlike carnivores of West African forests that have a special oil gland: (a) civets; (b) coatis; (c) genets; (d) ocelots; (e) a and c. 6. Nonvenomous snakes from the humid tropics are: (a) blacksnakes of Queensland; (b) boas and anacondas of Amazonia; (c) cobras of southern Asia; (d) fer-de-lance and bushmaster of Central America; (e) Gaboon viper and relatives of West Tropical Africa. 7. Why do male euglossine bees visit certain neotropical orchid species?: (a) Males drink the nectar, which is fermented and makes them intoxicated (and stupid); (b) They consume the pollen as their chief protein source; (c) They harvest a set of aromatic chemicals that are stored on their body and later used during mating behavior performed elsewhere; (d) They meet a female inside the flower, where they mate;
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