Fall94+Exam+4_Moroney

Fall94+Exam+4_Moroney - FINAL EXAM 7 6.6(’5 Name)3 J...

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Unformatted text preview: FINAL EXAM 7 6.6 (’5 Name: )3 J Social Security Number: BIOLOGY 1201 Section 1 - Moroney Fall 1994 Choose_ the best answer for the following questions by filling in the appropriate space on your answer sheet. There are 100 questions. l. The area of our planet from the ocean floor to the top of the atmosphere that supports life is called the . a). community b). biosphere c). biome d). continental shelf e). niche 2. Which situation below would most likely result in a change in the genetic make-up of a population? a). There is no immigration from the population b). The population is very large c). No mutations have occurred d). Individuals are very selective in choosing mates e). No natural selection is occurring 3. A community is made up of . a). different kinds of living organisms b). only one species of organism c). living organisms & their non-living environment d). ecosystems e). only the abiotic environment 4. Which of the following statements most correctly compares the population profile of a developing country to the profile of a developed country? a). The developing country would have a higher number of 20-25 year olds than the developed country b). The developing country would have a higher number of 10-15 year olds than the developed country c). The developing country would have a more 20‘25 year olds than 40-45 year old people, while the number of 20-25 year olds and 40-45 year olds would be similar in a developed country d). The developing country would have a higher number of 30-35 year olds than the developed country e). all of the above statements are true 5. Which of the following is incorrectly paired with its description? a). neritic zone - shallow area over the continental shelf b). abyssal zone - deepest benthic region c). pelagic zone - area of open water ' d). aphotic zone - zone in which light penetrates e). intertidal zone - shallow area at the edge of the water 6. Which of the following is pg; a prezygotic barrier a). a female bird mates with a male only after the male performs an elaborate display b). An insect identifies a mate from specific chemical signals c). three different orchid species occurring at the same location flower at 2, 4 and 6 days following a rain d). A horse and a donkey mate but their mule offspring is sterile e). Lions and tigers occur in very different locations 770: PIA/44‘ STOPS AT #53 2 7. If the frequency of the cystic fibrosis allele in a population is 0.10, what is the frequency of normal allele for this gene? a). 0.01 b). 0.10 c). 0.18 d). 0.81 e). 0.90 8. What percentage of the people in the population in question 7 would be heterozygous for cystic fibrosis? a). 0.01 b). 0.10 c). 0.18 d). 0.81 e). 0.90 Questions 9 through 10 refer to the observations about the peppered moth found near Manchester England. Assume that the color of the peppered moth is controlled by one gene with alleles D (dominant for darker coloration) and d (recessive allele for lighter coloration). A researcher has a group of moths that are 36% lighter colored and 64% darker colored. 9. What is the frequency (q) of the d allele? a). 0.2 b). 0.4 c). 0.5 d). 0.6 e). 0.8 10. The moths are released in a badly polluted area (trees badly darkened) that contains predators (birds) and monitored for a few years and tested for allele frequency. From earlier studies, what result would you expect? a). the frequency of allele d would increase. b). the frequency of allele d would remain the same. c). the frequency of allele d would decrease. d). there is too little information to tell. For questions 11 through 14, choose the answer from the column below that best corresponds to the statement. a). genetic bottleneckv b). natural selection c). founder effect d). genetic mutation e). gene flow 11. The elephant seals off the California coast are thought to have descended from a single breeding colony that survived during the time the seals yere hunted for their blubber. 12. In Costa Rica tree non—poisonous frogs that have a coloration. very similar to a poisonous variety are less likely to be eaten by predators. 13. The North American starling population is descended from a few birds accidentally released in New York City in the late 1800's. 14. You move to Australia, settle down with a local man/woman and produce offspring. 3 15. The average maximal number of individuals a habitat can support is called the _________ of that habitat. a). reproductive potential b). carrying capacity c). community club d). density dependent factor e). population growth Questions 16—18 refer to the population of Pumpkin Center'Louisiana.wéAssume that the population is 10,000 iananua y 1994 and the birth rate is 80 per 1,000 per year and the death rate is 70 per 1,000 per year. 16. What would the population be'in January 1995? a). 10,000 b). 10,010 c). 10,080 d). 10,100 e). 10,800 17. You have just calculated the increase in population for 1994. If the birth and death rate remain constant for the next year how would the change in population in 1995 compare with the 1994 change? a). The population will not increase in 1995. b). The population will increase in 1995 but it will be less than the 1994 increase. c). The population will increase in 1995 and it will be the same as the 1994 increase. d). The population will increase in 1995 and it will be more than the 1994 increase. 18. The type of growth Pumpkin Center is experiencing is: a). linear b). zero population growth c). exponential d). z-shaped e). carrying capacity non equilibrium 19. Assume a mollusk shell contained 8 grams of 1['C in its shell when the mollusk dies. If a paleobiologist discovers the shell livzoo years later, how much C will remain in the shell? (The half-life of C is 5,600 years) a). 1 gram b). 2 grams c). 4 grams d). 8 grams e). 64 grams 20. Which of the following is a cause of sympatric speciation? a). polyploidy b). geographic isolation c). Pangaea d). convergent evolution e). absolute zero 21. Which is an important concept in the idea of natural selection? a). The population must be increasing~exponentially b). More offspring are produced than normally reach maturity c). All offspring are equally likely to survive to maturity d). Individuals of different phenotypes are equally likely to reproduce e). all of the above statements are correct 4 22. Which of the following is not a density dependent factor determining population growth? _ a). nutrient availability b). The occurrence of a hurricane c). removal of waste d). spread of infectious disease e). all of these factors are density dependent 23. Which of the following might describe an oligotrophic.lake? a). The 02 content is high b). The lake is nutrient.poor c). The lake is very deep d). The lake has few alga e). all of the above answers could describe an oligotrophic lake Questions 24-26 refer to a simple“community found in an overgrown baseball field. The baseball field community contains grass, roaches that eat any dead plant or animal remains they find, some grasshoppers that feed on the grass, some preying mantis that eat the other insects and a family of mocking birds that feed on the insects. 24. Which organism(s) is/are producers? a). the grass ~ b). the roaches c). the grasshopper d). the preying mantis e). the grass and the roaches 25. Which organism(s) is/are primary consumers? a). the grass b). the roaches c). the grasshopper d). the preying mantis and the mocking birds e). all of the animal species 26. Which organism(s) is/are a detritivore? a). the grass b). the roaches c). the grasshopper d). the preying mantis and the mocking birds e). all of the animal species 27. Why was there a huge fish kill in the Atchafalaya basin after Hurricane Andrew? . a). The hurricane caused the water to turn acidic. b). The eye of the hurricane caused an ozone hole allowing the basin to become a large microwave ecosystem c). The tree limbs that fell into the water underwent lactic acid fermentation releasing lactic acid into the water, killing the fish. d). The tree limbs underwent alcoholic fermentation releasing ethanol into the water, killing the fish. e). The Hurricane stirred up sediments causing bacteria to grow rapidly and use up the available 02. The lack of 02 killed the fish. 28. Eutrophication of a lake could occur if . a). phosphate-rich detergents are dumped into the lake b). fertilizers from farms are washed into the lake c). if raw sewage is dumped into the lake d). all of the above answers are true 5 For questions 29 - 32 select the biome from the biomes below that best fits the description given in the question. An answer may be used more than once. a). tropical rain forest b). temperate deciduous forest c). savanna d). chapparal e). temperate grasslands 29. This biome once;coveredmmost of the Eastern United states 30. This biome is found in California and the Mediterranean 31. This-biome has the highest species diversity.of the listed biomes 32. This biome describes the pampas of Argentina and the Steppes of Russia 33. When two populations become separated and go on to become two distinct species this is! . a). allopatric speciation b). sympatric speciation c). parapatric speciation d). all of the above answers are correct Questions 34-36 refer to the interaction between different species within a community. For questions 34-36 pick the letter that best corresponds to the interaction in each question. A letter may be used more than once. a). predation b). parasitism c)..mutualism d). commensalism e). interspecific competition 34. An owl builds a nest in an oak tree. The owls get a safe place to nest while the tree is neither helped or harmed by this interaction. 35. Chipmunks and squirrels gathering acorns for the winter. What is the interaction between the chipmunk and the squirrel? 36. Your dog and its fleas 37. The Galapagos Rift is a geothermal ecosystem 2,500 meters beneath the ocean's surface. Which of the following organisms is the primary producer in this ecosystem? a). tube worms b). protozoans _ c). giant clams 2 d). chemosynthetic bacteria e). green algae 38. Which statement best describes Pangaea? a). It existed 225 million years ago and was composed of North andaSouth America b). It existed 225 million years ago and was composed of almost all of the continental land masses c). It existed 25 million years ago and was composed of North and South America d). It existed 25 million years ago and was composed of almost all of the continental land masses e). It is a new sweetened breakfast cereal 6 39. Assume there are three codominant alleles for size in earthworms, with allele "A" resulting in the longest worm, "B" and intermediate worm and "C" resulting in a short worm. At time zero the allele frequency in the worm population was A=o.33, B=0.34 and C=0.33. After 200 generations the allele frequencies were A=o.1o, B=O.8O and C=O.10. What type of selection has taken place? a). directional selection b). stabilizing selection c). disruptive selection d). allopatric selection e). selective service 40. In which organism in the food 'chain Abelow ‘would the. biological concentration of DDT be the greatest? algae -1§ mosquito larvae --> minnows -—-) egret a). algae b). mosquito larvae c). minnows d). egret 41. In a staple population at the environments carry capacity, thousands of eggs and hundreds of tadpoles are produced by a single pair of frogs. About how many offspring will live to maturity and reproduce? a). 0 b). 2 c). 10-20 d). 100 . e). more than 100 42. The present concern over the apparent increase in the temperature of the biosphere is a "greenhouse" effect caused primarily by the: a). rapid increase in the human population on earth b). increase in carbon dioxide in the atmosphere from the burning of fossil fuels c). conversion of grasslands to farmlands d). increases in the tropical forest biome e). melting of the polar ice caps 43. The rate of primary productivity depends on . a). the number of plants present & their rate of photosynthesis b). the number & types of herbivores present c). the number & types of carnivores present d). the number of humans present e). none of the above 44. What is the evidence that the CO2 concentration in the atmosphere has increased during the past 30 years? a). There is no evidence for this increase. It is assumed that there is an increase because we are burning fossil fuels. . b). The evidence is that the temperature has increased during the past 30 years. c). There has been an increase in fossil fuel burning over the past 30 years. d). Direct.measurements of cozin the atmosphere from stations around the world during the past 30 years provide the evidence. 7 For questions 45 - 47 select the letter corresponding to the atmospheric gases listed below that best fits the description given in the question. An answer may be used more than once. a). carbon dioxide (C09 b). sulfur dioxide (SOQ c). ozone (03) d). methane (CHd e). nitrogen gas (Ng 45. This gas is the product of respiration, volcanoes and the burning of fossil fuels. 46. This gas is found in smog as well as in a layer about 20 kilometers above the Earth's surface. 47. This gas is a major cause of acid rain. 48. Why is DDT more concentrated in carnivores than in herbivores or plants? a). It is found only in animals b). It is water soluble and is in bodily fluids c). Plants break down DDT readily. d). It is not broken down or excreted by living organisms e). Decomposers break down DDT readily. 49. If a person has tested positive for HIV they . a). have developed the immunodeficiency syndrome b). will die within two years c). have developed antibodies to HIV proteins d). must be a homosexual or have used illegal drugs d). all of the above answers are correct 50. Which delta system of the Mississippi has been recently abandoned? a). the Lafourche Delta b). the Plaquemines Delta c). the Atchafalaya Delta 0 6;) d). the Venice Delta o ./ e). The New Orleans Delta C 51. Gasoline is a fossil fuel that consists of a). aldehydes H b). amino acids c). alcohols H _, d). hydrocarbons e). nucleic acids H C) 52. Compared to g9, the isotope 13C has ______ I \ a). a different atomic number H - O vC, — C‘ H b). one more neutron | l c) . one more proton H NQ ' \ Pi d). one more electron it H/ e). one more proton and one more electron 53. Which functional group is not present on this molecule? a). carboxyl group b). sulfhydryl group c). hydroxyl group d). amino group e). phosphate group ...
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Fall94+Exam+4_Moroney - FINAL EXAM 7 6.6(’5 Name)3 J...

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