BILD3-200820Mid-term2ver1KEY

BILD3-200820Mid-term2ver1KEY - BILD 3, W2008. Dr. Kohn...

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BILD 3, W2008. Dr. Kohn Mid-term Page 1 Section/TA _______________________ Name_______________________ Directions: There are 7 pages in this exam, not including this cover sheet. Please put your name on each page. Only exams written in ink will be accepted for regrades. You can use the space below the line on this page as scratch paper. There are 44 questions. Please be sure your exam is complete. Read each question carefully. Think before you write and confine your answer to the space provided. You can use the bottom of this page for scratch, but nothing written on this page will be graded. We will collect exams promptly at 10:50. Version 1 Page 2. Page 3. Page 4. Page 5. Page 6. Page 7. Total (Space below this line for scratch)
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BILD 3, W2008. Dr. Kohn Mid-term Page 2 Section/TA _______________________ Name_______________________ 1. (6pts) List three assumptions of Hardy-Weinberg equilibrium. A. no selection, no mutation, no gene flow, random mating, large (infinite) population size B. C. 2. (2pts, circle one answer) The latin binomial Musca domestica is the scientific name for a house fly. The two words specify: a) phylum, species b) class, genus c) genus, species d) class, species 3. (2pts) What type of nutrition do deep sea vent communities rely on for primary production? a) Chemoheterotrophy b) Chemoautotrophy c) Photoautotrophy d) Photheterotryphy 4a. (4pts) Primary endosymbiosis occurs when a Prokaryote /Eukaryote (circle one) engulfs a Prokaryote / Eukaryote (circle one) while secondary endosymbiosis occurs when a Prokaryote /Eukaryote (circle one) engulfs a Prokaryote /Eukaryote (circle one). 4b. (2pts) Give an example of an organism that is thought to be derived from secondary endosymbiosis. Dinoflagellates, Apicomplexans, Stramenopiles, Euglenids, Chlorachinophytes 5. (2pts) What type of organism is responsible for light production in the bobtail squid? a) bacteria b) archaea c) diatom d) dinoflagellate 6. (3pts) The Cambrian Explosion refers to: a) the appearance of life on earth b) the diversification of animal forms at the beginning of the Paleozoic era c) the appearance of large mammals after the mass extinction of the dinosaurs d) the appearance of flowering plants 7. (2pts) Plant remains from which geologic time period are used today as fuel in our cars? a) Carboniferous b) Cretaceous c) Silurian d) Cambrian 8. (8 pts.) Define paraphyletic group and explain why protists are paraphlyletic. A paraphyletic group contains the common ancestor of the group and some but not all of its descendants. Protists are paraphyletic because many organisms (plants, animals, fungi) are descended from them but not included in the group.
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BILD 3, W2008. Dr. Kohn Mid-term Page 3 Section/TA _______________________ Name_______________________
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BILD3-200820Mid-term2ver1KEY - BILD 3, W2008. Dr. Kohn...

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