D. Grey Box, grey box and grey box. After several generations, both groups of mice are given a new type of food that is harder to digest than the previous food. Table 1 shows the collected data. Based on the phylogenetic relationships shown in Figure 1, which of the following best explains the similarities exhibited by whales, bony fishes, and cartilaginous fishes? D. Start each population with bacteria that differ from one another by a single mutation to ensure that the initial genetic variation in all populations is known. D. The M4 and M5 populations have the lowest genetic diversity of all populations. The island was surveyed again in 2015, and scientists determined that the giant kangaroo rats originally in population A are now to be considered as a new species. 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. A scientist wishes to provide experimental evidence to support the model shown in Figure 1 by demonstrating the ability to synthesize an RNARNA molecule. Scientists interested in the relationship among vision, foraging for food, and fitness studied three isolated populations of a small species of primate whose C. Gene flow between populations A and B maintained sufficient variation in both gene pools to facilitate the development of two distinct species. 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. Which of the following statements includes a reasonable refinement that researchers could use in repeating the experiment? The increased air pollution of the nineteenth century due to the use of coal led to a darkening of surfaces from soot. A group of researchers noticed that using a particular drug to treat cancer in mice would reduce the size of the tumor, but some of the tumor cells appeared to be resistant to the drug since some of these cells would increase in number over time. Humans and mice have the same number of chromosomes.
AP Biology Unit 7 Evolution MCQ Questions 8.pdf - AP B. Bacterial ribosomes cannot recognize eukaryotic mRNA and will not translate the codon sequence. Which of the following conditions of Hardy-Weinberg equilibrium was most likely not met in the northern elephant seal population following overhunting? The M4M4 and M5M5 populations have the lowest genetic diversity of all populations. Which of the following statements best predicts the result of a comparison between the fossils found before and after the period of rapid change? When a population is reduced, new niches become available in the environment, which can trigger adaptive radiation. True Which of the following best describes what occurred during the periods indicated by the arrows? Scientists determined the frequencies of the M and N alleles in five localized and stable human populations in the Philippines (Figure 1). A. WebAp Bio Unit 7 Progress Check Mcq Answers.
Biology Practice Exam - College Board B. Both the larger population and the isolated population were maintained under identical conditions and allowed to mate randomly for another 20 generations. BIO 1- CH. B. Owls (primary predators of rock pocket mice) are nocturnal visual predators that are able to distinguish effectively between dark and light colors in low-light conditions. 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. Telomeres consist of hundreds or thousands of repeats of the same short DNA sequence, which varies between organisms. Over time, populations A and B developed into two distinct species. The woodlot environment is arid and species 1 and 2 are well-adapted to conserve water. C. Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA. All of the selective breeding programs ended in 1940. D. By 1940, most genetic variation for speed had been lost from the gene pool. 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? Which of the specimens indicated in the table is the oldest? A. Each of the fifteen genotypes shown in generation 1 and generation 2 represents 100 mice. Which of the following best explains the impact of these new selective pressures on the organisms involved? At that time, the moths, normally white with black speckles, known as the peppered variety, became less common than the solid black variety. 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 darker backgrounds conferred a selective advantage to the black variety, as described by natural selection. Graph that starts at 5.0 cm and ends at 9.0 cm. WebClick the card to flip . 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. The population was predominantly black throughout the nineteenth century. WebAP Biology Unit 7 MCQ B Term 1 / 18 Which of the following sets of data provides evidence that best supports common ancestry for organisms in all three domains? Which statement below best states an alternative hypothesis Fox could have used to frame his research? Scientists want to determine the age of | Course Hero. D. A mixture of ribonucleotides such as adenine and uracil will spontaneously form single-stranded chains of RNA. To prevent the loss of genes as chromosome ends wear down during DNA replication, the tips of eukaryotic chromosomes have specialized DNA "caps" called telomeres. Does this exceed the (24-hr) air quality standard of 0.14 ppm? Convergent evolution, because these organisms do not share a recent common ancestor. Which of the following best describes the processes occurring between the mouse populations and their environments? 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. The researchers wish to increase the reliability of their experimental observations before investigating new claims that chemotherapy-resistant tumors are an example of continuing evolution. Controlled fires in counties 4 and 5 will lead to an increase in the sparrow population. 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. One facet of the study of the origin of life focuses on the nature of the first genetic material. Telomeres consist of hundreds or thousands of repeats of the same short DNA sequence, which varies between organisms. The darker backgrounds conferred a selective advantage to the black variety, as described by natural selection. 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? The geneticist determines the genotypes for a particular trait of all of the mice in the population during generation 1 and then removes all of the mice with the genotype aa. One group is given food with an added substance that is known to be a mutagen.
AP Biology AP Classroom Unit 7 FRQ Flashcards | Quizlet D. Mice utilized the 5-TTAGGG-35-TTAGGG-3 telomeric repeat sequence first, but the sequence independently evolved in humans as well. Which of the following student claims is best supported by the data provided? 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. natural The researchers wish to increase the reliability of their experimental observations before investigating new claims that chemotherapy-resistant tumors are an example of continuing evolution. Observed modern extinction rates will resemble the rates found early in previous extinctions. 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. The results of breeding programs can be seen in the change in winning times of the Kentucky Derby from 1880 to the present, as shown in Figure 1. A shift to less polluting fuel in the twentieth led to cleaner air and a lightening of the moth's normal habitat. A. Which of the following would be an appropriate alternative hypothesis? Some lizards will migrate to new habitats in the mountains and become isolated, leading to allopatric speciation. Some plant species flower in response to increasing daily temperatures in the spring. Select the best alternate hypothesis to support this claim. Students created a model showing one possible mechanism for speciation in which a geographic barrier separated one large population into two smaller populations, A and B. Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA. Geographic isolation will create separate gene pools, leading to speciation over time. 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. 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. Which of the following best explains the divergence in morphology in the birds? A small segment of the original population is exposed to different environmental conditions, and a new subspecies emerges through natural selection. Both groups of mice will show an increase in the ability to digest the new food, because they experienced the same selective pressures. Populations with little genetic diversity are less likely to contain individuals that can withstand different selective pressures. B. Humans and mice share a recent common ancestor that had the 5-TTAGGG-3 repeat sequence in its telomeres. Even though the population has rebounded following restrictions on seal hunting, genetic variation is greatly reduced in the northern species compared to that in the southern species. Which of the following best explains the divergence in morphology in the birds? AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 1. C. Random mating within each population The frequency of the BB allele will increase because light-colored individuals will be more visible to predators. 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. The SinoHimalayan fern, Lepisorus clathratus is widely distributed on the QinghaiTibetan plateau. Which of the following is closest to the frequency of the MC1RD allele in the Tule Mountain population. Populations J1 through J5 are located in Jasper County. white circle, grey circle, black circle, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, Dental Radiography 5th Ed Ch 14 - Legal Issue. B. A captive population of cheetahs kept in a confined area will have a greater risk of contracting and passing on a virus. B. 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. Continue treating the three insect populations with the same insecticides and determine whether their efficiencies decline significantly after several generations. If a fire caused the surface of the ground in the habitat of the species to become darker in color, which of the following claims about the impact on the allele frequencies in this population is most reasonable? C. Restriction enzymes in the cytoplasm of the bacteria degrade linear DNA. Students used an online database, which used the structure of catalase from different species, to generate the phylogenetic tree shown in Figure 1. A group of birds is found in an island chain that have all descended from a single ancestral species. 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.
Unit 7 MCQ Flashcards | Quizlet Which of the following best predicts why humans and mice have identical telomeric repeat sequences? Which of the following best predicts why humans and mice have identical telomeric repeat sequences? Which of the specimens indicated in the table is the oldest? A dark coat color provides camouflage to mice on the lava flow rocks; therefore, mice with dark coats have a lower predation rate in that habitat. This one-line file will contain letter grades separated by blanks.Your function should print the distribution of grades, as shown. C. Most of the species found in the first static period will be absent in the second static period. A shift to less polluting fuel in the twentieth led to cleaner air and a lightening of the moth's normal habitat. To test their claim, they monitored 12 populations of E. coli for 10,000 generations under the same environmental conditions. Which of the specimens indicated in the table is the oldest? Controlled fires in counties 4 and 5 will lead to an increase in the sparrow population. The same species will be found in both static periods, but they will have different shell shapes. Which of the following is the most reasonable prediction about the results of the experiment? Which of the following best predicts the effect of the enclosure on the O'Neill population? Specimen 1 Specimen 2 Specimen 3 Specimen 4, . The current global warming trend is placing new selective pressures on the species involved in these relationships. After several generations, both groups of mice are given a new type of food that is harder to digest than the previous food. A. C. Dark color is selected for in mice from the West, Mid, and East Populations. False. C. Formation of simple proteins on primitive Earth only occurs spontaneously if the required building blocks were transported to Earth by a celestial event or a meteorite. White circle, grey circle and black circle. Take a look at the Intro to Unit 7. Which of the following best describes the expected distribution of proboscis size of the moths at the end of the fiveyear study? (b) Explain why some roofs are "blown outward" during high winds. C. The two populations will not show any differences because they were reared under identical conditions. (a)(a)(a) What is the angular momentum of a 2.8kg2.8 \mathrm{~kg}2.8kg uniform cylindrical grinding wheel of radius 28cm28 \mathrm{~cm}28cm when rotating at 1300rpm1300 \mathrm{rpm}1300rpm ? Geographic isolation will create separate gene pools, leading to speciation over time. To prevent the loss of genes as chromosome ends wear down during DNA replication, the tips of eukaryotic chromosomes have specialized DNA "caps" called telomeres. Which of the following is closest to the frequency of the MC1RDMC1RD allele in the Tule Mountain population?
Unit 7 Progress Check: MCQ Part B Flashcards | Quizlet B. Specimen 2 Immigration of individuals from Metro Manila into the two populations. Are the following statements true or false? Select the correct answer for the following questions: D. Migrating pollinators will start migrating later in the year, switching from spring-flowering plants to summer-flowering plants. Based on the data in Table 1, which of the following best describes the relationship between the MC1R gene and coat color in the Carrizozo, New Mexico, rock pocket mouse population? Humans and mice share a recent common ancestor that had the 5-TTAGGG-3 repeat sequence in its telomeres. 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 is an alternative hypothesis that can be tested to support the RNARNA World Hypothesis?
PPC#7A Answers.pdf - AP Biology Scoring Guide Unit 7 The original habitat had many available unoccupied ecological niches that were colonized by populations of the original species. Because cheetahs, Acinonyx jubatus, experienced a bottleneck event about ten thousand years ago, living cheetahs exhibit very little genetic variation compared to other living species of large cats.
Ap Classroom Unit 7 Progress Check Mcq Answers Ap Bio Dark color is selected for in mice from the West, Mid, and East populations. The warmer temperatures will lead to a drier environment, so the plants will no longer produce enough nectar to attract the pollinators. WebProgress checks help you gauge student knowledge and skills for each unit through: multiple-choice questions with rationales explaining correct and incorrect answers, and; Human activities can drive changes in ecosystems that affect the risk of extinction. The genotypes BB and Bb result in dark-colored fur, the genotype bb results in light-colored fur. General Instructions for your group. Make .sure .you .begin .the .exam .at .the .designated .time . . If you are giving the regularly scheduled exam, say: It is Monday morning, May 13, and you will be taking the AP Biology Exam. If you are giving the alternate exam for late testing, say: 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. These building blocks combined to form polymers, such as crude proteins. A famous study from the nineteenth century involves the peppered moth, Biston betularia, commonly found in Great Britain and Ireland. The two populations will show significant genetic differences because the founder effect will result in significant losses in diversity in the smaller population. Some scientists propose that due to human activity and climate change, a sixth mass extinction has already begun. D. A mixture of ribonucleotides such as adenine and uracil will spontaneously form single-stranded chains of RNA. The increased air pollution of the nineteenth century due to the use of coal led to a darkening of surfaces from soot. Population B was separated for a longer time from the original population than population A was, and population B evolved into a more distinct new species than population A did. There is no difference in iridium levels in sediments that were deposited on Earth 3.6 billion years old, compared to recent sediments. B. Which of the following best explains the phenotypic pattern in the moths over time? The two populations will show significant genetic differences because the founder effect will result in significant losses in diversity in the smaller population. The telomeric repeat sequences for selected organisms are given in Table 1. Scientists determined the frequencies of the M and N alleles in five localized and stable human populations in the Philippines, Immigration of individuals from Metro Manila into the two populations. A. D. Cells with mitochondria were able to utilize metabolic energy more efficiently. The darker backgrounds conferred a selective advantage to the black variety, as described by natural selection.
AP Bio 4.8 Multiple Choice Questions | Fiveable C. During the nineteenth century, increased ship commerce between Great Britain and Ireland facilitated the gene flow of the black variety, spreading it throughout the moth's normal range. 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. If a fire caused the surface of the ground in the habitat of the species to become darker in color, which of the following claims about the impact on the allele frequencies in this population is most reasonable? Which of the following would be an appropriate alternative hypothesis? Iridium is an element that is rare on Earth but commonly found in meteorites. Facts about the test: The AP Biology exam has 60 multiple choice questions and you will be given 1 hour The switch to increased transport by planes during the twentieth century reduced this gene flow.
AP Biology Unit 7 Evolution MCQ Questions 14.pdf - AP A group of researchers claim that chance events play an important role in the evolution of populations. Observed modern extinction rates will resemble the rates found early in previous extinctions. AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 14. The distance the horses ran became shorter between 1880 and 1940.
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