unit 7 progress check: mcq ap bio

Which of the following statements includes a reasonable refinement that researchers could use in repeating the experiment? Cells with nuclear membranes were better able to protect their genetic material against damage. L_2=5 \mathrm{~m}, \quad \bar{\delta}=1 \mathrm{~mm} Some researchers claim that the decrease in plant species richness of this woodlot is unrelated to human activities over the last forty years. (d) aluminum. Both the larger population and the isolated population were maintained under identical conditions and allowed to mate randomly for another 20 generations. C. The species will experience a genetic bottleneck, and sympatric speciation will result in the development of several new species. A. Continue treating the three insect populations with the same insecticides and determine whether their efficiencies decline significantly after several generations. Dark color is selected for in mice from the West, Mid, and East populations. 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 would be an appropriate alternative hypothesis? Immigration of individuals from Metro Manila into the two populations. The population was predominantly black throughout the nineteenth century. D. Controlled fires in counties 4 and 5 will lead to an increase in the sparrow population. 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. WebAp Bio Unit 7 Progress Check Mcq Answers. Which of the following is an alternative hypothesis that can be tested to support the RNA World Hypothesis? 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 predicts why humans and mice have identical telomeric repeat sequences? Which of the following is closest to the frequency of the MC1RD allele in the Tule Mountain population. D. The black variety was a nineteenth century mutation, dominant to the peppered variety. D. Specimen 4. The frequency of the BB allele will increase because light-colored individuals will be more visible to predators. WebView AP Biology Unit 7 Evolution; MCQ Questions 1.pdf from BIOLOGY 101 at Oakland High School, Oakland. A. Increasing the number of trials and the number of mice in each treatment group. The population was predominantly black throughout the nineteenth century. D. During the last few decades, tall buildings have been built around the woodlot, and species 3, 4, and 5 are shadeintolerant plants. 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. 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. C. The animals in population A accumulated fewer genetic mutations, adapting to their microclimate. Both the larger population and the isolated population were maintained under identical conditions and allowed to mate randomly for another 20 generations. Because the mice are highly inbred, they are essentially identical to one another. 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? B. The SinoHimalayan fern, Lepisorus clathratus is widely distributed on the QinghaiTibetan plateau. 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. By the end of the twentieth century, the peppered version of the moth was again more common than the black version. Populations J1 through J5 are located in Jasper County. (b) hydrogen 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. 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. Which of the following best predicts why humans and mice have identical telomeric repeat sequences? WebIt is Monday morning, May 13, and you will be taking the AP Biology Exam. (b)(b)(b) How much torque is required to stop it in 6.0s?6.0 \mathrm{~s} ?6.0s? A group of birds is found in an island chain that have all descended from a single ancestral species. B. Which of the following is an alternative hypothesis that can be tested to support the RNA World Hypothesis? This preview shows page 1 out of 1 page. AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A Copyright 2017. The College Board. These materials are part of a College Board program. Use or distribution of these materials online or in print beyond your schools participation in the program is prohibited. A_1=25 \mathrm{~mm}^2, \quad A_2=50 \mathrm{~mm}^2, \quad L_1=3 \mathrm{~m}, \\ Telomeres consist of hundreds or thousands of repeats of the same short DNA sequence, which varies between organisms. D. Cattle and sheep are separated by only one node, and they are separated from the other organisms by more than one node. There is a progression of pathways in organisms found in Bacteria, Archaea, and Eukarya. A captive population of cheetahs kept in a confined area will have a greater risk of contracting and passing on a virus. White circle, white box, and white triangle. A scientist maintains a large population of the fruit fly Drosophila affinis in the laboratory. Are the following statements true or false? B. The M4M4 and M5M5 populations have the lowest genetic diversity of all populations. ayo **** that girl who gave me the wrong answers. To test their claim, they monitored 12 populations of E. coli for 10,000 generations under the same environmental conditions. C. Start each population with bacterial cells that have different genotypes to make sure there is enough genetic variation for selection to occur. Convergent evolution, because these organisms do not share a recent common ancestor. The researchers determined that the East lava flow population is not in Hardy-Weinberg equilibrium. A. Ap Classroom Unit 7 Progress Check Mcq Answers Ap Bio 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. Geologic events such as mountain building can directly affect biodiversity. Which of the following best explains the impact of these new selective pressures on the organisms involved? One group is given food with an added substance that is known to be a mutagen. Quantitative Skills in the AP Sciences (2018) This reference guide is for students to use as they develop quantitative skills, such as using measurements, gathering and evaluating data, using quantitative evidence to support claims, and connecting empirical information to scientific theory, throughout the course. Curriculum Modules Download Dark color is selected for in mice from the West, Mid, and East populations. B. 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. 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. D. Populations with low genetic diversity are more likely to contain individuals that can withstand different selective pressures. A. Specimen 1 These alleles code for glycoproteins that act as antigens on the red blood cells. 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. c) storing bile that is released into the bloodstream. B. The increased air pollution of the nineteenth century due to the use of coal led to a darkening of surfaces from soot. Which of the following best explains the phenotypic pattern in the moths over time? The switch to increased transport by planes during the twentieth century reduced this gene flow. Cattle and sheep are separated by only one node, and they are separated from the other organisms by more than one node. B. The scientists identified a period of stability or stasis, followed by rapid change, and then stasis again with regard to shell shape. The remaining members of the population are allowed to randomly mate with one another to produce generation 2 and future generations. A. 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. Populations with little genetic diversity are less likely to contain individuals that can withstand different selective pressures. The frequency of the BB allele will increase because light-colored individuals will be more visible to predators. The telomeric repeat sequences for selected organisms are given in Table 1. Geographic isolation will create separate gene pools, leading to speciation over time. In the preceding exercise, if the stick is moving in a direction along its length (like a properly thrown spear), how long will you measure its length to be? 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. 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. Click the card to Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA. A. The woodlot environment is arid and species 1 and 2 are well-adapted to conserve water. A group of researchers claim that chance events play an important role in the evolution of populations. A. Hunting in the nineteenth century has been blamed for a drastic reduction in the northern elephant seal population. The MC1RDMC1RD allele is not responsible for dark coat color in the Carrizozo population, so the dark coat color is likely a result of convergent evolution. There is no difference in iridium levels in sediments that were deposited on Earth 3.6 billion years old, compared to recent sediments. B. A mixture of ribonucleotides such as adenine and uracil will spontaneously form single-stranded chains of RNA . The M4 and M5 populations have the lowest genetic diversity of all populations. The frequency of the MC1RD allele will decline due to natural selection. Based on the data in Figure 1, which of the following would most affect the allelic frequencies of the populations on Isabela and Butuan? D. 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. D. Increased population sizes over time in the Isabela population, but no change in the Butuan population, B. Which of these would be an appropriate null hypothesis to test related to whether meteorites hit the Earth 3.6 billion years ago? C. The frequency of the MC1RDMC1RD allele will decline due to natural selection. 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 ? The frequency of the MC1RD allele will decline due to natural selection. Over time, populations A and B developed into two distinct species. 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 ? Suppose that a 15m/s15-\mathrm{m} / \mathrm{s}15m/s wind is blowing across the roof of your house. C. The woodlot is shaded, with little direct sunlight, and species 3, 4, and 5 are shade-intolerant canopy trees. 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? C. Humans and mice share a recent common ancestor that had the 5-TTAGGG-35-TTAGGG-3 repeat sequence in its telomeres. The logging industry created vast meadow habitats for the sparrow in the late 1800s. Humans and mice share a recent common ancestor that had the 5-TTAGGG-3 repeat sequence in its telomeres. Which of the following would be an appropriate alternative hypothesis? protein template that matches proteins found on the primitive Earth added to a mixture of deoxyribonucleotides will produce double-stranded DNA molecules. Which of the following best explains the divergence in morphology in the birds? B. B. Bacterial ribosomes cannot recognize eukaryotic mRNA and will not translate the codon sequence. 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. Scientists interested in the relationship among vision, foraging for food, and fitness studied three isolated populations of a small species of primate whose B. During the last few decades, tall buildings have been built around the woodlot, and species 3, 4, and 5 are shadeintolerant plants. Many of these species rely on pollinators that migrate based on changes in day length and the position of the Sun. Many of these species rely on pollinators that migrate based on changes in day length and the position of the Sun. Scientists determined the frequencies of the M and N alleles in five localized and stable human populations in the Philippines (Figure 1). Which of the following best predicts why the recombinant bacteria will fail to produce the eukaryotic protein? Table 1 shows the collected data. AP Biology Practice Test: Unit 7 Natural Selection After 20 generations of allowing this population of about 1000 flies to mate randomly, 10 females and 10 males were isolated from the rest of the population. A mixture of ribonucleotides such as adenine and uracil will spontaneously form single-stranded chains of RNA . A scientist is studying the impact of mutagens on genetic variation in mice. A. This one-line file will contain letter grades separated by blanks.Your function should print the distribution of grades, as shown. Suppose the average concentration of SO2\mathrm{SO}_{2}SO2 is measured to be 400g/m3400 \mu \mathrm{g} / \mathrm{m}^{3}400g/m3 at 25C25^{\circ} \mathrm{C}25C and 1 atm. Most of the species found in the first static period will be absent in the second static period. 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. Most of the species found in the first static period will be absent in the second static period. B. 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. 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. There is no difference in iridium levels in sediments that were deposited on Earth 3.6 billion years old, compared to recent sediments. A scientist is studying the impact of mutagens on genetic variation in mice. There are autotrophic and heterotrophic organisms found in Bacteria, Archaea, and Eukarya. which of the following best provides evidence to support this claim? 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. If sediment layers that are 3.6 billion years old are tested, they will contain relatively high iridium levels, because that is when many meteorites crashed into the Earth. After the 20 generations, DNA sequencing was used to determine the genetic composition of each population. Which statement below best states an alternative hypothesis Fox could have used to frame his research? A famous study from the nineteenth century involves the peppered moth, Biston betularia, commonly found in Great Britain and Ireland. B. The second group is fed the same food without the mutagen. Which of the following best explains the divergence in morphology in the birds? b) helping blood vessels to absorb nutrients. A. D. Spray these insecticides on a different species of insect (whose genotypes are also known) to determine its effectiveness on insects that are not pests. WebAp Bio: Unit 7 Progress Check: MCQ describes how the L. clathratus population would be affected? 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: A. 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? A. AP Bio 4.8 Multiple Choice Questions | Fiveable Observed modern extinction rates will resemble the rates found early in previous extinctions. D. The M4 and M5 populations have the lowest genetic diversity of all populations. Given aerobic conditions and large amounts of lightning, amino acids will spontaneously form crude proteins. If the gage reads a pressure differential of 4kPa4\ \mathrm{kPa}4kPa, find the flow rate of ammonia through the pipe, and the average flow velocity. Which of the following best predicts the effect of the enclosure on the O'Neill population? In an experiment, the scientist creates two groups of twenty highly inbred mice. 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. A. Migration of individuals between the Isabela and Butuan populations Click the card to flip Geographic isolation will create separate gene pools, Determine the velocity and acceleration of point PPP on the disk at this instant. WebAP Biology Unit 7 Progress Check Which of the following best describes the processes occurring between the mouse populations and their environments? The allele for the peppered trait, being recessive, decreased in frequency. Ap biology unit 1 test answers - anfk. The genotypes BB and Bb result in dark-colored fur, the genotype bb results in light-colored fur. Because the mice are highly inbred, they are essentially identical to one another. If the thermometer is placed in a bath, the temperature of which is changing linearly at a rate of 10/min, how much error does the thermometer show? Humans and mice have the same number of genes. 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. Which of the following best describes what occurred during the periods indicated by the arrows? The darker backgrounds conferred a selective advantage to the black variety, as described by natural selection. Ap Bio: Unit 7 Progress Check: MCQ Flashcards | Quizlet A shift to less polluting fuel in the twentieth led to cleaner air and a lightening of the moth's normal habitat. A. For a specific bike plus rider of total mass 78kg78 \mathrm{~kg}78kg, FD14.0NF_{\mathrm{~D} 1} \approx 4.0 \mathrm{~N}FD14.0N; and for a speed of 2.2m/s,FD21.0N2.2 \mathrm{~m} / \mathrm{~s}, F_{\mathrm{~D} 2} \approx 1.0 \mathrm{~N}2.2m/s,FD21.0N. Find at what slope angle \theta the bike and rider can coast downhill at a constant speed of 8.0m/s8.0 \mathrm{~m} / \mathrm{~s}8.0m/s. Two flat steel bars are supposed to be connected together by a pin at BBB, and the system is supposed to be stress free after the pin is inserted (see Fig.given). C. Populations with little genetic diversity are less likely to contain individuals that can withstand different selective pressures. The same species will be found in both static periods, but they will have different shell shapes. The presence of MC1RdMC1Rd alleles in the East lava flow population is an indication of gene flow from mice populations living on light granite rocks. The warmer temperatures will lead to a drier environment, so the plants will no longer produce enough nectar to attract the pollinators. D. Bacteria and eukaryotes use different mRNA codons for the same amino acids during translation. 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. 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. There is no difference in iridium levels in sediments that were deposited on Earth 3.6 billion years old, compared to recent sediments. The model is shown in Figure 1. Future generations will eventually completely lose the a allele from the gene pool. Does this exceed the (24-hr) air quality standard of 0.14 ppm? provided unique evolutionary advantages to the last eukaryotic common ancestor? 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. 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? A small segment of the original population is exposed to different environmental conditions, and a new subspecies emerges through natural selection. A group of researchers claim that chance events play an important role in the evolution of populations. The increased air pollution of the nineteenth century due to the use of coal led to a darkening of surfaces from soot. Continue treating the three insect populations with the same insecticides and determine whether their efficiencies decline significantly after several generations. Which of the following statements includes a reasonable refinement that researchers could use in repeating the experiment? 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? A scientist wishes to provide experimental evidence to support the model shown in Figure 1 by demonstrating the ability to synthesize an RNA molecule. Introns must be removed from eukaryotic DNA before the gene is inserted into the plasmid. Mushrooms and potatoes are most closely related, since the node they share gave rise to all of the other organisms. Scientists claim that some of the populations in Marion County are at an increased risk of decline or extinction. Which of the following best explains the mechanism that caused this speciation event in the giant kangaroo rats of population A? D. The frequency of both alleles will increase because the population will enter a period of rapid growth. Populations M1 through M5 are located in Marion County. B. During the last few decades, tall buildings have been built around the woodlot, and species 3, 4, and 5 are shadeintolerant plants. C. Humans and mice share a recent common ancestor that had the 5-TTAGGG-35-TTAGGG-3 repeat sequence in its telomeres. Select the best alternate hypothesis to support this claim. B. Even though there are numerous mountains in the region, the climate on the mountains is too cold for the lizards to survive. Which of the following best describes the processes occurring between the mouse populations and their environments? Scientists claim that some of the populations in Marion County are at an increased risk of decline or extinction. A group of birds is found in an island chain that have all descended from a single ancestral species. Which of the following principles best justifies a claim that cheetahs, compared to other large cats, have a relatively low resilience to environmental perturbations? D. By 1940, most genetic variation for speed had been lost from the gene pool. A scientist believes that the first organic molecules may have come to Earth on meteorites 3.6 billion years ago. John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, PL-600: Microsoft Power Platform Solution Arc. A. When a population is reduced, new niches become available in the environment, which can trigger adaptive radiation. 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. B. Henslow's sparrow is a songbird found in North American grasslands. A scientist wishes to provide experimental evidence to support the model shown in Figure 1 by demonstrating the ability to synthesize an RNARNA molecule. All of the selective breeding programs ended in 1940. After the 20 generations, DNA sequencing was used to determine the genetic composition of each population. Implement function distribution() that takes as input the name of a file (as a string). AP Biology Unit 7 Evolution MCQ Questions 14.pdf - AP Which of the following statements best predicts the result of a comparison between the fossils found before and after the period of rapid change? A shift to less polluting fuel in the twentieth led to cleaner air and a lightening of the moth's normal habitat. Based on the data in table 1, which of the following best provides evidence to support this claim? D. There is a progression of cellular organization in organisms found in Bacteria, Archaea, and Eukarya. White circle, grey circle and black circle. Hunting in the nineteenth century has been blamed for a drastic reduction in the northern elephant seal population. Geologic events such as mountain building can directly affect biodiversity. A group of researchers claim that chance events play an important role in the evolution of populations. In a particular region, a species of lizard lives in the lowlands. D. Cells with mitochondria were able to utilize metabolic energy more efficiently. The original habitat had many available unoccupied ecological niches that were colonized by populations of the original species. Unit 7 Progress Check: MCQ Part B Flashcards | Quizlet A scientist maintains a large population of the fruit fly Drosophila affinis in the laboratory. Students used an online database, which used the structure of catalase from different species, to generate the phylogenetic tree shown in Figure 1. The flow rate of ammonia at 10C(=624.6kg/m310^{\circ} \mathrm{C}\left(\rho=624.6 \mathrm{~kg} / \mathrm{m}^3\right.10C(=624.6kg/m3 and =1.697104kg/ms\mu=1.697 \times 10^{-4} \mathrm{~kg} / \mathrm{m} \cdot \mathrm{s}=1.697104kg/ms ) through a 222-cm\mathrm{cm}cm-diameter pipe is to be measured with a 1.51.51.5-cm\mathrm{cm}cm-diameter flow nozzle equipped with a differential pressure gage. Some lizards will migrate to new habitats in the mountains and become isolated, leading to allopatric speciation. Cells with mitochondria were able to utilize metabolic energy more efficiently. 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. A. Explain. Which of the following represents an alternate hypothesis tested by this experiment with regard to the population sizes of Henslow's sparrows? Which of the following statements includes a reasonable refinement that researchers could use in repeating the experiment? Which of the following student claims is best supported by the data provided? Which of the following best predicts why the recombinant bacteria will fail to produce the eukaryotic protein? 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. (c) silicon Determine the amount T(C)\Delta T\left({ }^{\circ} \mathrm{C}\right)T(C) by which the two bars would need to be uniformly heated to bring the holes in the two bars into alignment. 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. Even though there are numerous mountains in the region, the climate on the mountains is too cold for the lizards to survive. A scientist is studying the impact of mutagens on genetic variation in mice.

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