ecoexam - BIOS 101 Dr Molumby Summer 2001 Exam 1 NAME...

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BIOS 101 Dr. Molumby NAME: Summer 2001 SECTION #: Exam 1 INSTRUCTOR (TA): Multiple Choice Questions (worth 2 points each) Questions 1-6: refer to the following alternatives: INTERACTION 1 : Several species of barnacles live on the head, flukes, and tail of large baleen whales. They obtain an ideal environment for feeding, and relative safety from predation. The reproductive output of whales is not affected by the barnacles. INTERACTION 2 : Wax moths live in the nests of honeybees. Their larvae eat the stored honey of the bees, as well as the larvae of workers and reproductive honeybees. The adults mate and disperse to lay eggs in new nests. INTERACTION 3 : The foraging and activities of Hippos stir silt into the water column. As a result, these bodies of water are unsuitable for many species of fish and small invertebrates. INTERACTION 4 : Hyenas and Lions prey on antelopes, zebras, and gazelles in African Grasslands. Lions frequently chase Hyenas away from a kill, and take it for themselves. INTERACTION 5 : Trychogramminid wasps oviposit into scale insect eggs. Their larvae emerge and eat the contents of the scale insect egg. They then mate and disperse to find new patches scale insects. INTERACTION 6 : The red flour beetle, Triboleum confusum , and the beetle Orzymyra sp. both live in, and eat, stored flour. Red flour beetle larvae eat the eggs and larvae of their conspecifics, as well as Orzymyra larvae. In mixed species cultures, Triboleum always drives Orzymyra extinct. 1. Which is an example of amensalism? A. Interaction 1 B. Interaction 2 C. Interaction 3 D. Interaction 5 E. Interaction 6 2. Which is an example of commensalism? A. Interaction 1 B. Interaction 2 C. Interaction 5 D. Interactions 1 and 2 E. None of the above 3. Which is an example of competition? A. Interaction 4 B. Interaction 5 C. Interaction 6 D. Interactions 4 and 6 E. Interactions 4, 1, and 6.
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4. Which is an example of competitive exclusion? A. Interaction 4 B. Interaction 5 C. Interaction 6 D. Interactions 4 and 5 E. Interactions 4, 5, and 6. 5. Which is an example of interference competiton? A. Interaction 4 B. Interaction 5 C. Interaction 6 D. Interactions 4 and 6 E. Interactions 4, 5, and 6. 6. Which is an example of a parasitoid? A. Interaction 1 B. Interaction 6 C. Interaction 5 D. Interactions 1 and 5 E. None of the above Questions 7-10 refer to the following alternatives. A. Coniferous Forest (Taiga) B. Deciduous Forest C. Desert D. Grassland E. Chaparral 7. This biome is characterized by seasonal drought, occasional fires, and grazing by large mammals, all of which prevent woody shrubs and trees from invading and becoming established. The soils tend to be thick and nutrient-rich, and the roots of perennial plants are often very deep. Biome present in Oklahoma, central Asia, etc. . 8.
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This note was uploaded on 04/11/2010 for the course BIOS 101 taught by Professor Molumby during the Spring '08 term at Ill. Chicago.

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ecoexam - BIOS 101 Dr Molumby Summer 2001 Exam 1 NAME...

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