BIOLOGY 262, FALL 2002 FINAL EXAMINATION (PART 1) Name Date MULTIPLE CHOICE.For the following multiple choice questions circle the letter in front of the response that best answers the question or completes the sentence. (10%, 1% each) 1. Which of the following is FALSE about science? a. It is a philosophy. b. It requires an assumption of correspondence between sense experience and reality. c. It requires an assumption of order in the universe. d. It requires empirical evidence. e. None of the above. (All are true) 2. Which of the following is a hollow mass of cells? a. blastula b. gastrula c. morula d. neurula e. None of the above 3. Which of the following is NOT a derived characteristic of chordates? a. dorsal hollow nerve tube b. notochord c. post-anal tail d. pharyngeal slits e. None of the above 4. Which of the following have radial symmetry as adults? a. earthworms b. flatworms c. roundworms d. tapeworms e. None of the above (all are not radial) 5. Which of the following is the correct order of vertebrate development? a. zygoteÆ blastula Æ morula Æ gastrula b. zygoteÆ blastula Æ gastrula Æ morula c. zygoteÆ gastrula Æ morula Æ blastula d. zygoteÆ gastrula Æ blastula Æ morula e. zygoteÆ morula Æ blastula Æ gastrula f. zygoteÆ morula Æ gastrula Æ blastula 6. Which of the following organisms is most closely related to YOU (a human) in an evolutionary sense? a. earthworm b. insect c. sponge d. starfish e. tapeworm 7. Organisms in which of the following phyla have cells called choanocytes? a. Arthropoda b. Cnidaria c. Platyhelminthes d. Porifera e. None of the above 8. If a population of 10,000 is undergoing exponential growth with a yearly intrinsic rate of increase of 0.01, then what is the size of the population after 2 years? a. 10,100 b. 10,200 c. 11,000 d. 22,000 e. None of the above 9. Which of the following is a correct species name? a. Ascaris b. lumbricoides c. Ascaris Lumbricoides d. Ascaris lumbricoides e. None of the above 10. The nervous system is formed from which type of tissue? a. ectoderm b. endoderm c. mesoderm d. pachyderm e. None of the aboveMATCHING.For the following exercise match the general tissue in the right column with the specific tissue in the left column. Each letter may be used more than once or not at all. (5%, 1% each) 1. adipose (fat) tissue 2. blood 3. bone 4. epidermis 5. glial cells A. connective tissue B. epithelial tissue C. muscle tissue D. nerve tissue FILL-IN-THE-BLANK.For the following exercises write the appropriate word or words in the available space.(12.5%) 1. Fill in the appropriate two-word labels for the following epithelia. (2%) a. b. 2. (0.5% each) Phylum Phylum 3. Fill in a derived characteristic for each branch on the following phylogeny. (4%) Deutero- Proto- Porifera Cnidaria stomes stomes a. b. c. d. 4. Fill in a derived characteristic for each branch on the following phylogeny. (3%) Platyhel- Arthro- minthes Molluska Annelida Nematoda poda a. b. c. DAC B ACBBIOLOGY 262, FALL 2002 FINAL EXAMINATION (PART 2) Name Date DEFINITIONS.For the following BIOLOGICAL words or phrases define them as accurately and concisely as possible. (10%, 2% each) 1. cnidocyte: 2. ethology: 3. imprinting: 4. science: 5. spiral cleavage: LONG ANSWER. For the following answers, address each question in as concise and lucid a manner as possible. Do NOT exceed the space provided. (15%) 1. Briefly explain how the incest taboo is used as an example of innate human behavior determined by natural selection. What occurs during the human incest taboo critical period? Identify one exception to the incest taboo and explain what the exception shows about human behavior in general. (5%)2. Compare and contrast the thermal physiology of a human, a lizard, and a fish. Use the correct combination of physiological terms to describe each and indicate how each would increase or decrease its internal temperature, if it does so. (Feel free but do not feel obliged to use a table for your answer.) (5%) 3. Your instructor says he'd much rather be parasitized by a tapeworm than by a Schistosoma parasite or a Guinea worm. Identify the phylum of each parasite and where each parasite lives in a human. What characteristics of these parasites might have led your instructor to have such a strange preference? (Feel free but do not feel obliged to use a table for your answer.) (5%)BIOLOGY 262, FALL 2002 FINAL EXAMINATION (PART 3) Name Date MULTIPLE CHOICE.For the following multiple choice questions circle the letter in front of the response that best answers the question or completes the sentence. (10%, 1% each) 1. Which of the following shapes (of equal area) is the best shape for a forest habitat fragment in which you hope to maintain the highest forest species diversity? 2. Which of the following BEST explains why one habitat fragment shape (see #1) is better for maintaining species diversity? a. connection to other fragments b. edge effect c. genetic drift d. pollution e. proximity to continent 3. Which of the following best describes the ecological relationship of a mouse to a sunflower seed as it eats it? a. Commensalist b. Ectoparasite c. Grazer d. Parasitoid e. Predator 4. In a population at Hardy-Weinberg equilibrium, if the frequency of AA is 0.16, then what is the frequency of aa? a. 0.03 b. 0.16 c. 0.36 d. 0.70 e. None of the above 5. Is a population with the following genotype frequencies at Hardy-Weinberg equilibrium? AA=0.81, Aa=0.18, aa=0.01 a. no b. yes c. given data are not sufficient to determine this 6. Which of the following best describes pollen? a. A baby plant in a box with its lunch b. Airborne plant sperm c. Mobile microsporangium d. Small male gametophyte e. Sporophyte 7. Which of the following is FALSE about a flowering plant? a. It can produce a fruit. b. It can produce a pollen. c. Male gametophytes grow to reach female gametophytes. d. The embryo in the seed uses endosperm for nutrition. e. None of the above (all are true) 8. If a population of 500 frogs in an isolated pond with a carrying capacity of 1000 is undergoing logistic growth with a yearly intrinsic rate of increase of 0.5, then what is the population size after 1 year? a. 500 b. 625 c. 750 d. 1000 e. None of the above 9. Which of the following BEST explains why open