BIOL 102 Final Exam Answers (UMUC) (A Grade), Questions and Answers, All Correct Study Guide, Download to Score A

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BIOL 102 Final Exam Answers (UMUC) Which of the following individuals contributed significantlly to our understanding of evolution? Charles Darwin Alfred Wallace both Darwin... and Wallac none of the other answers to this question Question 2 Which of the following is an example of convergent evolution? two populations of birds that evolved from a single species two plant populations that evolved from a single plant species two small animal populations that developed in different continents but share long floppy ears in common two individuals that built their musculature at the same gym so they could compete against each other Question 3 Which of the folloiwng is NOT a key principle of natural selection? Characteristics of organisms are inherited More offspring are produced than are able to survive Offspring vary among each other in regard to their characteristics All offspring will survive if they help each other out during rough times Question 4 Which of the following is NOT one of the types of natural selection? stabilizing selection disruptive selection directional selection sexual selection Question 5 With natural selection, generally, organisms with current favorable traits have a better chance at survival. True False Question 6 With natural selection, generally, the longer an organism lives, the more reproductive opportunities it will have. True False Question 7 With natural selection, generally, more organisms will exist with the same favorable trait than the previous generation True False Match the type of natural selection with the correct example. All mutations are harmful and result in death of the organism. Question 10 A typhoon in the southern tip of Japan is more likely to result in which type of evolutionary influence among a certain insect that pollinats flowering trees. natural selection genetic drift neither of the other answers for this question both of the other answers for this question Question 11 Two remote, islands in the Pacific are uninhabited by humans. Both have populations of wild boars. On Island A, all of the animals share the same coloration and snout appearance, but on Island B the boars bear a variety of colors and snouts. What is a possible reason for the difference. The boar population on Island A went through a genetic bottleneck and are expressing the founders effect. The boar population on Island B went through a genetic bottleneck and are expressing the founders effect. The boar population on Island A had greater gene flow with other islands. The boar population on Island B were domestically bred by humans and are now called pigs. Question 12 Your instructor insists that for you to fully embrace the concepts of evolution you must give up all religious beliefs you were raised with. True False Question 13 Match the following characteristics with the correct category. Question 14 Which of the following is the correct name for the organism responsible for MRSA infections? Staphylococcus aureus Staphylococcus Aureus Staphylococcus aureus Staphylococcus Aureus Question 15 Which of the following is an example of a dimorphic organism? Mold growing on the surface of a food and yeast growing inside an infected person--both from the same organism. Bipolar disorder in humans expressing two personality traits Two appearances of a microscopic organism depending on whether you are looking a the top of the cell or the bottom An organism like the butterfly that has a wormlike, larvae stage and a winged, insect stage. Question 16 All bacteria are harmful because they cause disease. True False Question 17 All fungi are beneficial because mushrooms taste good. True False Question 18 All protists are harmful because they pollute rivers and lakes. True False Question 19 Match the organism with the correct classification. Plants Question 1 Cherry blossoms are on trees that fit in which category? gymnosperms moss ferns angiosperms Question 2 White pine trees are angiosperms. True False Question 3 Angiosperms use "naked" seeds for reproduction. True False Question 4 Leaves are part of the root organ system. True False Question 5 Root hairs are part of which plant tissue? dermal tissue ground tissue vascular tissue dirt tissue Question 6 Pollination only occurs through insects and birds. True False Animals Question 7 Match the animal with the correct classification. Question 8 Match the Chordate with the correct classification Question 9 Match the Vertebrate with the correct classification. Question 10 Humans are in which of the following mammalian categories? Rodentia Primates Cetacea Carnivora Systems Question 11 Shivering and sweating is part of what body function? Cardiovascular control urination homeostasis reproduction Question 12 Which of the following is NOT one of the fuunctions of the kidney? filling your bladder cleansing your blood regulating electrolytes all of the other answers fall in the category og kidney function Question 13 Where does the majority of nutrients get absorbed into the blood? mouth esophagus small intestines large intestines Question 14 The mouth only provides mechanical digestion, not chemical digestion True False Question 15 Feces is primarily fiber and bacteria. True False Question 16 All blood in the arteries is highly oxygenated. True False Question 17 How many chambers in the human heart. 1 2 3 4 Question 1 A population is a group of individuals from the same... species religion race country Question 2 Populations are measured by size density both size and density None of the other answers for this question Question 3 Which of the following is NOT a causes of a population growth going from a J-curve to an S-curve? increased death decreased immigration more deaths than births restrictions of habitat or food Question 4 What is carrying capacity? the amount of food an animal can carry or store to survive during the winter the ability of a species to carry the young through the crucial early days after birth the capacity of the environment to support a given population, especially relating to habitat and food the ability of an animal to carry its weight Question 5 Match the following conditions as either density-dependent or density-independent. Question 7 Match the examples with the type of interaction. Question 8 A keystone species is always the top of the food chain/web. Question 9 Match the terms related to communities with the correct definition or related term. Question 10 NPP as it relates to ecosystems is.... Question 11 Energy flows through ecosystems in two directions. Question 12 Place the following components of ecosystems in the correct order. Question 13 Match the biomes with the correct examples. Question 14 Biological magnification is... the ability of the animal eye to magnify vision the increase of a toxin or substance as it moves through a food chain from smaller to larger animals the increase size of animals they move through the food chain/web magnification of sunlight through rainfall resulting in more energy for photosynthesis Question 15 A dead zone consists the dying animals before they are decomposed. True False Question 16 Humans have no effect on the NPP of an ecosystem. True False Question 17 Match the marine/aquatic biomes with the correct definition or example. [Show More]

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