Add an additional treatment group to the experiment to measure the effectiveness of another insecticide (Insecticide #3) over several generations. C. Restriction enzymes in the cytoplasm of the bacteria degrade linear DNA. C. Dark color is selected for in mice from the West, Mid, and East Populations. Which of the following best describes the expected distribution of proboscis size of the moths at the end of the fiveyear study? Some lizards will migrate to new habitats in the mountains and become isolated, leading to allopatric speciation. A famous study from the nineteenth century involves the peppered moth, Biston betularia, commonly found in Great Britain and Ireland. Which of the following statements includes a reasonable refinement that researchers could use in repeating the experiment? The presence of MC1Rd alleles in the East lava flow population is an indication of gene flow from mice populations living on light granite rocks. Image courtesy of Pixabay. Figure 1 shows the phylogeny of the birds. To test their claim, they monitored 12 populations of E. coli for 10,000 generations under the same environmental conditions. Based on the information provided in the figure, which of the following best describes how membrane-bound organelles provided unique evolutionary advantages to the last eukaryotic common ancestor? A. B. C. The plant species will flower earlier in the spring in response to rising temperatures before the arrival of the pollinators, so seeds will not be produced. After several generations, both groups of mice are given a new type of food that is harder to digest than the previous food. Which of the following best explains the phenotypic pattern in the moths over time? Which of the following best predicts the effect of the enclosure on the O'Neill population? Which statement below best states an alternative hypothesis Fox could have used to frame his research? A scientist is studying the impact of mutagens on genetic variation in mice. D. The original habitat was tropical, which increased the rate of mutation and led to rapid diversification. During the last few decades, tall buildings have been built around the woodlot, and species 3, 4, and 5 are shadeintolerant plants. Because the mice are highly inbred, they are essentially identical to one another. Dark color is selected for in mice from the West, Mid, and East populations. Which of the specimens indicated in the table is the oldest? WebAP BIO COLLEGE BOARD UNIT 7 4.9 (42 reviews) Geologic events such as mountain building can directly affect biodiversity. A. Convergent evolution, because these organisms do not share a recent common ancestor. The mechanical properties and dimensions of the two bars are, E1=E2=200GPa,1=2=12106/CA1=25mm2,A2=50mm2,L1=3m,L2=5m,=1mm\begin{gathered} Geologic events such as mountain building can directly affect biodiversity. Based on the data in Table 1, which of the following best describes the relationship between the MC1RMC1R gene and coat color in the Carrizozo, New Mexico, rock pocket mouse population? White circle, grey circle and black circle. Continue treating the three insect populations with the same insecticides and determine whether their efficiencies decline significantly after several generations. If geologic events lead to a series of new mountain ranges that divide the plateau into several discrete valleys, which of the following best describes how the L. clathratus population would be affected? College Board AP Classroom Unit 7 Progress Check: MCQ Part C Qichen (1 of 18 ) Question 1 Two community service D. In the presence of available energy and the absence of a significant quantity of atmospheric O2O2 simple proteins will form spontaneously from a mixture of amino acids. Which of these would be an appropriate null hypothesis to test related to whether meteorites hit the Earth 3.6 billion years ago? At the given instant, the rod is spinning about the zzz axis with an angular velocity 1=8rad/s\omega_1=8 \mathrm{rad} / \mathrm{s}1=8rad/s and angular acceleration 1=2rad/s2\dot{\omega}_1=2 \mathrm{rad} / \mathrm{s}^21=2rad/s2. D. Cells with mitochondria were able to utilize metabolic energy more efficiently. By the end of the twentieth century, the peppered version of the moth was again more common than the black version. An experiment is designed to help prevent the further decline and extinction of the Henslow's sparrow in which controlled burns will be set in the each of the ten Midwest counties in order to prevent the regrowth of the forest. Which of these would be an appropriate null hypothesis to test related to whether meteorites hit the Earth 3.6 billion years ago? Some lizards will migrate to new habitats in the mountains and become isolated, leading to allopatric speciation. D. Populations with low genetic diversity are more likely to contain individuals that can withstand different selective pressures. The scientists identified a period of stability or stasis, followed by rapid change, and then stasis again with regard to shell shape. Geographic isolation will create separate gene pools, leading to speciation over time. Two drag forces act on a bicycle and rider: FD1F_{\mathrm{~D} 1}FD1 due to rolling resistance, which is essentially velocity independent; and FD2F_{\mathrm{~D} 2}FD2 due to air resistance, which is proportional to v2v^2v2. A. The frequency of the BB allele will increase because light-colored individuals will be more visible to predators. A group of scientists found that in one population the frequency of the M allele was 0.82, and the frequency of the N allele was 0.18. Ap biology unit 1 test answers - anfk. white circle, grey circle, black circle, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, Dental Radiography 5th Ed Ch 14 - Legal Issue. The woodlot environment is arid and species 1 and 2 are well-adapted to conserve water. In the presence of available energy and the absence of a significant quantity of atmospheric O2 simple proteins will form spontaneously from a mixture of amino acids. Unit 7 MCQ Flashcards | Quizlet In a particular region, a species of lizard lives in the lowlands. WebProgress checks help you gauge student knowledge and skills for each unit through: multiple-choice questions with rationales explaining correct and incorrect answers, and; Continue treating the three insect populations with the same insecticides and determine whether their efficiencies decline significantly after several generations. Unit 4 Chapters 7 & 8 Attitude and Attitude C, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. Both the larger population and the isolated population were maintained under identical conditions and allowed to mate randomly for another 20 generations. A group of researchers claim that chance events play an important role in the evolution of populations. d) releasing chemicals that begin to break down food in the mouth. D. The animals in population A mate at different times of year, causing their gametes to be incompatible with those from animals in populations B, C, and D. B. After several generations, both groups of mice are given a new type of food that is harder to digest than the previous food. They found that although all 12 populations were exposed to the same environmental pressures, each population had differentiated from one another genetically after 10,000 generations. Formation of crude proteins occurs by chance and occurs regardless of atmospheric O2O2 levels or available free energy. Cells with mitochondria were able to utilize metabolic energy more efficiently. Which of the following best explains the relationship between coat color and predation rate in the rock pocket mouse population on the lava flow rocks with respect to the different coat color phenotypes? False. The telomeric repeat sequences for selected organisms are given in Table 1. A group of scientists found that in one population the frequency of the M allele was 0.82, and the frequency of the N allele was 0.18. E_1=E_2=200 \mathrm{GPa}, \quad \alpha_1=\alpha_2=12 \times 10^{-6} /{ }^{\circ} \mathrm{C} \\ Start each population with genetically identical bacterial cells from a single culture to make sure that the initial genetic variation in all of the populations was exactly the same. A. A. Humans and mice share a recent common ancestor that had the 5-TTAGGG-3 repeat sequence in its telomeres. One facet of the study of the origin of life focuses on the nature of the first genetic material. Because the mice are highly inbred, they are essentially identical to one another. The degree of relatedness is inversely proportional to genetic diversity; that is, populations with a high degree of relatedness have less genetic diversity. Geologic events such as mountain building can directly affect biodiversity. The allele for the peppered trait, being recessive, decreased in frequency. In an exercise to understand how genetically controlled physical traits could affect speciation, a theoretical population was imagined that contained organisms with three shapes and three levels of pigmentation, as illustrated in Figure 1. Neither group of mice will show any change in the ability to digest the food because thousands of years are required to develop such a change. Which of the following principles best justifies a claim that cheetahs, compared to other large cats, have a relatively low resilience to environmental perturbations? Which of the following best describes what occurred during the periods indicated by the arrows? An experiment is designed to help prevent the further decline and extinction of the Henslow's sparrow in which controlled burns will be set in the each of the ten Midwest counties in order to prevent the regrowth of the forest. A. The model is shown in Figure 1. few individuals become isolated from a large population and establish a new small population with a gene pool that differs from the large population. D. The number of species present on Earth will equal the number of species on Earth after the last extinction. WebClick the card to flip . D. Controlled fires in counties 4 and 5 will lead to an increase in the sparrow population. B. Which of the following best illustrates the change in the frequencies of the A and a alleles from generation 1 to generation 2 and to future generations, assuming Hardy-Weinberg equilibrium is present after generation 1 ? (b) Explain why some roofs are "blown outward" during high winds. A group of researchers claim that chance events play an important role in the evolution of populations. Some researchers claim that the decrease in plant species richness of this woodlot is unrelated to human activities over the last forty years. The researchers determined that the East lava flow population is not in Hardy-Weinberg equilibrium. There are two species of elephant seals: northern elephant seals, Mirounga angustirostris, found off the western coast of North America from Baja California to the Gulf of Alaska, and southern elephant seals, M. leonina, found in the southern oceans. E1=E2=200GPa,1=2=12106/CA1=25mm2,A2=50mm2,L1=3m,L2=5m,=1mm. Scientists determined the frequencies of the M and N alleles in five localized and stable human populations in the Philippines (Figure 1). provided unique evolutionary advantages to the last eukaryotic common ancestor? Which of the following best predicts why the recombinant bacteria will fail to produce the eukaryotic protein? D. Cells with mitochondria were able to utilize metabolic energy more efficiently. In an experiment, the scientist creates two groups of twenty highly inbred mice. WebAP Biology Unit 7 Progress Check Which of the following best describes the processes occurring between the mouse populations and their environments? In a certain small mammal, fur color is controlled by a pair of alleles, with B being dominant over b. Which of the following best explains why the population is not in Hardy-Weinberg equilibrium? Webanswer choices. WebAP Biology Unit 7 Evolution MCQ Questions 8.pdf - AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 8. C. Set up a new experiment in which these insects are sprayed with two different insecticides to see if they are more effective than Insecticides #1 and #2. By 1940, most genetic variation for speed had been lost from the gene pool. Controlled fires in counties 4 and 5 will lead to an increase in the sparrow population. B. Controlled fires in counties 4 and 5 will lead to an increase in the sparrow population. Which of the following is an alternative hypothesis that can be tested to support the RNA World Hypothesis? In the presence of available energy and the absence of a significant quantity of atmospheric O2 simple proteins will form spontaneously from a mixture of amino acids. relationship between the MC1R gene and coat color in the Carrizozo, New Mexico, rock pocket mouse population? The current global warming trend is placing new selective pressures on the species involved in these relationships. The heterotroph hypothesis of the origin of life states that basic organic building blocks formed from inorganic molecules under the primitive conditions present early in Earth's development. Which of the following is an alternative hypothesis that can be tested to support the RNA World Hypothesis? Observed modern extinction rates will resemble the rates found early in previous extinctions. Geographic isolation will create separate gene pools, leading to speciation over time. Which of these would be an appropriate null hypothesis to test related to whether meteorites hit the Earth 3.6 billion years ago? The increased air pollution of the nineteenth century due to the use of coal led to a darkening of surfaces from soot. a) filtering blood of harmful substances. In addition to the ABO blood groups, humans have an MN blood type system in which the M and N alleles are codominant to one another. The degrees of relatedness in several native populations of prairie chickens in Marion and Jasper Counties in Illinois were determined. This molecule cannot exist. A scientist believes that the first organic molecules may have come to Earth on meteorites 3.6 billion years ago. A. The animals in population A were reproductively isolated from those in populations B, C, and D. Which of the following statements best predicts the result of a comparison between the fossils found before and after the period of rapid change? D. Increased population sizes over time in the Isabela population, but no change in the Butuan population, B. Which of the following would most likely represent the types of individuals found in one of the species resulting from shape becoming a prezygotic isolating mechanism in the initial population represented in Figure 1 ? White circle, grey circle and black circle. C. Populations with little genetic diversity are less likely to contain individuals that can withstand different selective pressures. Increasing the number of trials and the number of mice in each treatment group. In an exercise to understand how genetically controlled physical traits could affect speciation, a theoretical population was imagined that contained organisms with three shapes and three levels of pigmentation, as illustrated in Figure 1. (c) silicon A. c) storing bile that is released into the bloodstream. A. There is no difference in iridium levels in sediments that were deposited on Earth 3.6 billion years old, compared to recent sediments. However, the distance between the rigid walls to which the two bars are attached was measured incorrectly, so that a misalignment of \bar{\delta} (exaggerated in Fig. Which of the following best predicts the impact on the lizard species if there is a gradual increase in the average temperatures found in both the lowlands and mountains in this region? Natural selection A. Over time, populations A and B developed into two distinct species. The model is shown in Figure 1. Natural selection acted on variation that was present in both populations A and B, and the lack of gene flow eventually led to the formation of two new species. Click the card to Which of the following represents an alternate hypothesis tested by this experiment with regard to the population sizes of Henslow's sparrows? Some lizards will migrate to new habitats in the mountains and become isolated, leading to allopatric speciation. Populations with little genetic diversity are less likely to contain individuals that can withstand different selective pressures. During the last few decades, tall buildings have been built around the woodlot, and species 3, 4, and 5 are shadeintolerant plants. z=ycos(xy),(2,2,2)z=y \cos (x-y), \quad(2,2,2)z=ycos(xy),(2,2,2), Write the electron configuration of the ion. Because the mice are highly inbred, they are essentially identical to one another. Based on the data in table 1, which of the following best provides evidence to support this claim? Geographic isolation will create separate gene pools, leading to speciation over time. Which of the following best describes the processes occurring between the mouse populations and their environments? Which of the following would most likely represent the types of individuals found in one of the species resulting from shape becoming a prezygotic isolating mechanism in the initial population represented in Figure 1 ?
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