White circle, grey circle and black circle. Immigration of individuals from Metro Manila into the two populations Ap Bio: Unit 7 Progress Check: MCQ Flashcards | Quizlet Based on the data in Figure 1, which of the following would most affect the allelic frequencies of the populations on Isabela and Butuan? 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. protein template that matches proteins found on the primitive Earth added to a mixture of deoxyribonucleotides will produce double-stranded DNA molecules. The frequency of the MC1RD allele will decline due to natural selection. A shift to less polluting fuel in the twentieth led to cleaner air and a lightening of the moth's normal habitat. 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. few individuals become isolated from a large population and establish a new small population with a gene pool that differs from the large population. Iridium is an element that is rare on Earth but commonly found in meteorites. The researchers built an enclosure to prevent migration into and out of the O'Neill rock pocket mouse population for a period of two years. A scientist believes that the first organic molecules may have come to Earth on meteorites 3.6 billion years ago. Both the larger population and the isolated population were maintained under identical conditions and allowed to mate randomly for another 20 generations. B. The SinoHimalayan fern, Lepisorus clathratus is widely distributed on the QinghaiTibetan plateau. In a particular region, a species of lizard lives in the lowlands. Convergent evolution, because these organisms do not share a recent common ancestor. The frequency of the BB allele will increase because light-colored individuals will be more visible to predators. 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. B. provided unique evolutionary advantages to the last eukaryotic common ancestor? D. A mixture of ribonucleotides such as adenine and uracil will spontaneously form single-stranded chains of RNA. Which of the following student claims is best supported by the data provided? C. The group of mice fed the mutagen will show a greater ability to digest the food, because the higher genetic variation within the group makes it more likely that some individuals will have a combination of genes better adapted to the new food. A shift to less polluting fuel in the twentieth led to cleaner air and a lightening of the moth's normal habitat. A population of the species has the following allele frequencies: B=0.85 and b=0.15. Which of the following best explains the impact of these new selective pressures on the organisms involved? In a particular region, a species of lizard lives in the lowlands. After several generations, both groups of mice are given a new type of food that is harder to digest than the previous food. A researcher uses the protocol shown in Figure 1 to isolate a eukaryotic gene for the purpose of genetically engineering bacteria to synthesize the corresponding protein. The frequency of the BB allele will increase because light-colored individuals will be more visible to predators. Figure 1 shows the phylogeny of the birds. 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 logging industry created vast meadow habitats for the sparrow in the late 1800s. 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? 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. Which of the following best describes the processes occurring between the mouse populations and their environments? 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. B. To test their claim, they monitored 12 populations of E. coli for 10,000 generations under the same environmental conditions. This molecule cannot exist. During the last few decades, tall buildings have been built around the woodlot, and species 3, 4, and 5 are shadeintolerant plants. 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. Which of the following statements includes a reasonable refinement that researchers could use in repeating the experiment? 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. D. Migrating pollinators will start migrating later in the year, switching from spring-flowering plants to summer-flowering plants. 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. The original habitat contained mutagens, leading to the rise of new species as a result of accumulated mutations. The scientists identified a period of stability or stasis, followed by rapid change, and then stasis again with regard to shell shape. Which of the following best explains the mechanism that caused this speciation event in the giant kangaroo rats of population A? A scientist wishes to provide experimental evidence to support the model shown in Figure 1 by demonstrating the ability to synthesize an RNA molecule. After rearing five additional generations of the mice on this new food, the two groups are assessed for how efficiently this new food is digested. Most of the species found in the first static period will be absent in the second static period. A scientist wishes to provide experimental evidence to support the model shown in Figure 1 by demonstrating the ability to synthesize an RNA molecule. A. Migration of individuals between the Isabela and Butuan populations The model is shown in Figure 1. Which of the following is closest to the frequency of the MC1RD allele in the Tule Mountain population? A. Which of the following best predicts the effect of the enclosure on the O'Neill population? Because the mice are highly inbred, they are essentially identical to one another. Which of the following best explains the phenotypic pattern in the moths over time? A group of researchers claim that chance events play an important role in the evolution of populations. Introns must be removed from eukaryotic DNA before the gene is inserted into the plasmid. The MC1RD allele is not responsible for dark coat color in the Carrizozo population, so the dark coat color is likely a result of convergent evolution. (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 ? B. D. If recently fallen meteorites and meteoroids collected in space are tested, they will not contain organic molecules. There is no difference in iridium levels in sediments that were deposited on Earth 3.6 billion years old, compared to recent sediments. A famous study from the nineteenth century involves the peppered moth, Biston betularia, commonly found in Great Britain and Ireland. C. The original habitat contained many predators, and the species diversified in order to avoid extinction. 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. During the last few decades, tall buildings have been built around the woodlot, and species 3, 4, and 5 are shadeintolerant plants. A. C. If a sediment layer that is 3.6 billion years old is tested, it will contain organic material. Of the following, which is the best next step for the researchers to best determine the long-term effectiveness of these insecticides with regards to the development of resistance? Which of the following sets of data provides evidence that best supports common ancestry for organisms in all three domains? The model is shown in Figure 1. C. Start each population with bacterial cells that have different genotypes to make sure there is enough genetic variation for selection to occur. Formation of crude proteins occurs by chance and occurs regardless of atmospheric O2O2 levels or available free energy. 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. Which of the following is an alternative hypothesis that can be tested to support the RNA World Hypothesis? Which of the following best predicts why humans and mice have identical telomeric repeat sequences? Image courtesy of Pixabay Facts about the test: The AP Biology exam has 60 multiple choice questions and you will be given 1 hour Continue treating the three insect populations with the same insecticides and determine whether their efficiencies decline significantly after several generations. In a certain small mammal, fur color is controlled by a pair of alleles, with B being dominant over b. A. Which of the following best explains the impact of these new selective pressures on the organisms involved? After the 20 generations, DNA sequencing was used to determine the genetic composition of each population. Henslow's sparrow is a songbird found in North American grasslands. C. Most of the species found in the first static period will be absent in the second static period. Some lizards will migrate to new habitats in the mountains and become isolated, leading to allopatric speciation. 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. 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. Select the best alternate hypothesis to support this claim. A scientist believes that the first organic molecules may have come to Earth on meteorites 3.6 billion years ago. Graph that starts at 5.0 cm and ends at 9.0 cm. The animals in population A were reproductively isolated from those in populations B, C, and D. Mollusk fossils were excavated and collected from a coastal cliff. Find an equation of the tangent plane to the given surface at the specified point. Convergent evolution, because these organisms do not share a recent common ancestor. Humans and mice share a recent common ancestor that had the 5-TTAGGG-3 repeat sequence in its telomeres. By 1940, most genetic variation for speed had been lost from the gene pool. AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 1. Dark color is selected for in mice from the West, Mid, and East populations. 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. Continue treating the three insect populations with the same insecticides and determine whether their efficiencies decline significantly after several generations. Which of the following is closest to the frequency of the MC1RDMC1RD allele in the Tule Mountain population? Scientists studying the fossils observed patterns of changing shell shape in the mollusks. The frequency of the MC1RDMC1RD allele will decline due to natural selection. In an experiment, the scientist creates two groups of twenty highly inbred mice. B. Ca2+^{2+}2+, The following elements are among the five most abundant by mass in the Earth's crust, seawater, and atmosphere except, (a) oxygen Statistics and Probability questions and answers; College Board AP Classroom Unit 7 PPC#7A Answers.pdf - AP Biology Scoring Guide Unit 7 Which of the specimens indicated in the table is the oldest? 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. Future generations will eventually completely lose the a allele from the gene pool. Which of the following represents an alternate hypothesis tested by this experiment with regard to the population sizes of Henslow's sparrows? Human activities can drive changes in ecosystems that affect the risk of extinction. E_1=E_2=200 \mathrm{GPa}, \quad \alpha_1=\alpha_2=12 \times 10^{-6} /{ }^{\circ} \mathrm{C} \\ 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? Bacteria and eukaryotes use different mRNA codons for the same amino acids during translation. 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 have the same number of chromosomes. D. There is a progression of cellular organization in organisms found in Bacteria, Archaea, and Eukarya. 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. B. Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA. A. The degree of relatedness is inversely proportional to genetic diversity; that is, populations with a high degree of relatedness have less genetic diversity. A. Convergent evolution, because these organisms do not share a recent common ancestor. AP Biology Unit 7 Evolution MCQ Questions 8.pdf - AP C. The number of species present on Earth will equal the number of species on Earth before the last extinction. A mixture of ribonucleotides such as adenine and uracil will spontaneously form single-stranded chains of RNA . The frequency of homozygous recessive individuals will increase because light-colored fur absorbs less heat. D. Populations with low genetic diversity are more likely to contain individuals that can withstand different selective pressures. AP Biology Unit 7 Progress Check Flashcards | Quizlet This hypothesis states that the first genetic material was RNA, not DNA, and a transitional period led to the emergence of DNA as the storage molecule for genetic material. If you are giving the alternate exam for late testing, say: It is Friday afternoon, May 24, and you will be Which of the following best describes the processes occurring between the mouse populations and their environments? The woodlot environment is arid and species 1 and 2 are well-adapted to conserve water. D. Specimen 4. similarities exhibited by whales, bony fishes, and cartilaginous fishes? 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. A. (b) hydrogen A. Introns must be removed from eukaryotic DNA before the gene is inserted into the plasmid. Henslow's sparrow populations came to a peak in the mid1900s. Which of these would be an appropriate null hypothesis to test related to whether meteorites hit the Earth 3.6 billion years ago? These alleles code for glycoproteins that act as antigens on the red blood cells. Double strands of DNA placed in a harsh environment will unwind and form RNA molecules for long term information storage. Both the larger population and the isolated population were maintained under identical conditions and allowed to mate randomly for another 20 generations. WebUnit 7 Progress Check: MCQ Part B 3.5 (202 reviews) Which of the following sets of data provides evidence that best supports common ancestry for organisms in all three A. Specimen 1 (Kentucky Derby). B. C. Populations with little genetic diversity are less likely to contain individuals that can withstand different selective pressures. ayo **** that girl who gave me the wrong answers. D. During the last few decades, tall buildings have been built around the woodlot, and species 3, 4, and 5 are shadeintolerant plants. Webanswer choices. AP Biology Classroom Resources AP Central | College Cattle and sheep are separated by only one node, and they are separated from the other organisms by more than one node. which of the following best provides evidence to support this claim? D. In response to different environments, populations A and B experienced different mutation rates, leading to the emergence of two different gene pools and, over time, new species A and B. Most of the species found in the first static period will be absent in the second static period. Figure 1. The animals in population A were exposed to different predators and had to modify their fur color to be better camouflaged. At this same instant, the disk is spinning at a constant rate 2=4rad/s\omega_2=4 \mathrm{rad} / \mathrm{s}2=4rad/s, measured relative to the rod. (c) silicon The original habitat had many available unoccupied ecological niches that were colonized by populations of the original species. Which of the following best describes the expected distribution of proboscis size of the moths at the end of the fiveyear study? a) filtering blood of harmful substances. A. Interspecific competition caused the extinction of species 4 and 5. Figure 1 shows the phylogeny of the birds. WebAP Biology Unit 7 Evolution MCQ Questions 8.pdf - AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 8. B. Which of the following represents an alternate hypothesis tested by this experiment with regard to the population sizes of Henslow's sparrows? C. Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA. B. One facet of the study of the origin of life focuses on the nature of the first genetic material. Iridium is an element that is rare on Earth but commonly found in meteorites. D. The black variety was a nineteenth century mutation, dominant to the peppered variety. Relationships of selected organisms based on catalase structure. A population geneticist is conducting an investigation on a population of mice. A group of researchers claim that chance events play an important role in the evolution of populations. Which of the following is an alternative hypothesis that can be tested to support the RNARNA World Hypothesis? Some scientists propose that due to human activity and climate change, a sixth mass extinction has already begun. A. Which of the following statements includes a reasonable refinement that researchers could use in repeating the experiment? Even though there are numerous mountains in the region, the climate on the mountains is too cold for the lizards to survive. C. Specimen 3 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. The researchers determined that the East lava flow population is not in Hardy-Weinberg equilibrium. A mixture of ribonucleotides such as adenine and uracil will spontaneously form single-stranded chains of RNA . Some lizards will migrate to new habitats in the mountains and become isolated, leading to allopatric speciation. C. Dark color is selected for in mice from the West, Mid, and East Populations. Ap biology unit 1 test answers - anfk. The researchers determined that the East lava flow population is not in Hardy-Weinberg equilibrium. The population was predominantly black throughout the nineteenth century. Cattle and sheep are separated by only one node, and they are separated from the other organisms by more than one node. Many of these species rely on pollinators that migrate based on changes in day length and the position of the Sun. True WebA. Which of the following represents an alternate hypothesis tested by this experiment with regard to the population sizes of Henslow's sparrows? The warmer temperatures will lead to a drier environment, so the plants will no longer produce enough nectar to attract the pollinators. C. The two populations will not show any differences because they were reared under identical conditions. Of the following, which is the best next step for the researchers to best determine the long-term effectiveness of these insecticides with regards to the development of resistance? Geologic events such as mountain building can directly affect biodiversity. The switch to increased transport by planes during the twentieth century reduced this gene flow. B. The original habitat had many available unoccupied ecological niches that were colonized by populations of the original species. 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. Populations with little genetic diversity are less likely to contain individuals that can withstand different selective pressures. The M4 and M5 populations have the lowest genetic diversity of all populations. 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? A. Start each population with a different species of bacteria to determine whether the same environment has an effect on genetic differentiation. Numbers above 0.125 indicate a high degree of relatedness. 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. Scientists are concerned that the lowlands will become much warmer by the end of the twenty-first century and will become unsuitable for this lowland lizard species. C. Cells with ribosomes were better able to produce proteins needed for a variety of metabolic functions. 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. D. Bacteria and eukaryotes use different mRNA codons for the same amino acids during translation. 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. Scientists interested in the relationship among vision, foraging for food, and fitness studied three isolated populations of a small species of primate whose D. Mice utilized the 5-TTAGGG-35-TTAGGG-3 telomeric repeat sequence first, but the sequence independently evolved in humans as well. (a) Determine the reduction in pressure (below atmospheric pressure of stationary air) that accompanies this wind. C. Populations with little genetic diversity are less likely to contain individuals that can withstand different selective pressures. There is no difference in iridium levels in sediments that were deposited on Earth 3.6 billion years old, compared to recent sediments. AP Bio 7.14 Multiple Choice Questions | Fiveable Geologic events such as mountain building can directly affect biodiversity.
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