unit 7 progress check: mcq ap bio unit 7 progress check: mcq ap bio

Whales, bony fishes, and cartilaginous fishes all have similar adaptations that enable them to live in the ocean. 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? The liver helps the circulatory system by _________. Which of the following is an alternative hypothesis that can be tested to support the RNA World Hypothesis? Add an additional treatment group to the experiment to measure the effectiveness of another insecticide (Insecticide #3) over several generations. Dr. Sidney Fox wished to add to the heterotroph hypothesis of the origin of life by synthesizing simple proteins from a mixture of amino acids. The scientists identified a period of stability or stasis, followed by rapid change, and then stasis again with regard to shell shape. The frequency of homozygous recessive individuals will increase because light-colored fur absorbs less heat. 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. Observed modern extinction rates will resemble the rates found early in previous extinctions. There are autotrophic and heterotrophic organisms found in Bacteria, Archaea, and Eukarya. There will not be any new individuals with the aa genotype. Select the best alternate hypothesis to support this claim. The model is shown in Figure 1. Dark coat color provides camouflage to mice on the flow; therefore, mice with dark coats predation rate in that habitat. Which of the following best explains the phenotypic pattern in the moths over time? The SinoHimalayan fern, Lepisorus clathratus is widely distributed on the QinghaiTibetan plateau. A. The frequency of the BB allele will increase because light-colored individuals will be more visible to predators. A. Which of the following student claims is best supported by the data provided? If the environment for the plant species becomes too warm, the pollinators will no longer migrate to that area in the spring, continuing on to a more northern environment instead. Thoroughbred race horses are subject to intense artificial selection to produce faster-running horses. 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 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. Click the card to WebAP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 2. 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. A. A population of the species has the following allele frequencies: B=0.85 and b=0.15. 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 shift to less polluting fuel in the twentieth led to cleaner air and a lightening of the moth's normal habitat. Which of the following predicts the expected outcome of the experiment? 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. Cattle and sheep are separated by only one node, and they are separated from the other organisms by more than one node. The genotypes BB and Bb result in dark-colored fur, the genotype bb results in light-colored fur. D. The group fed the mutagen will show a decrease in the ability to digest the new food, because the mutagen prevented natural selection from acting on them. D. By 1940, most genetic variation for speed had been lost from the gene pool. 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? Assuming that the population is in HardyWeinberg equilibrium, which of the following is the expected frequency of individuals with the genotype MNMN? natural 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 explains the mechanism that caused this speciation event in the giant kangaroo rats of population A? A . 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. A. However, an additional mutation in the black allele changed it from a dominant to a recessive allele at the turn of the twentieth century, leading to a return to the dominance of the original peppered variety. 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. WebA. 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 processes occurring between the mouse populations and their environments? A. Migration of individuals between the Isabela and Butuan populations Which of the following sets of data provides evidence that best supports common ancestry for organisms in all three domains? white circle, grey circle, black circle, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, Dental Radiography 5th Ed Ch 14 - Legal Issue. 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). A mixture of ribonucleotides such as adenine and uracil will spontaneously form single-stranded chains of RNA . B 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. Observed modern extinction rates will resemble the rates found early in previous extinctions. 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. There is no difference in iridium levels in sediments that were deposited on Earth 3.6 billion years old, compared to recent sediments. Henslow's sparrow is a songbird found in North American grasslands. 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. D. The frequency of both alleles will increase because the population will enter a period of rapid growth. 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? Which of the following statements includes a reasonable refinement that researchers could use in repeating the experiment? 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. 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. Current temperature changes will correlate with temperature changes during previous extinctions. Geologic events such as mountain building can directly affect biodiversity. (d) aluminum. A scientist believes that the first organic molecules may have come to Earth on meteorites 3.6 billion years ago. 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. Scientists claim that some of the populations in Marion County are at an increased risk of decline or extinction. The original habitat contained mutagens, leading to the rise of new species as a result of accumulated mutations. 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 scientist is studying the impact of mutagens on genetic variation in mice. \end{gathered} Which of the following conditions of Hardy-Weinberg equilibrium was most likely not met in the northern elephant seal population following overhunting? (b)(b)(b) How much torque is required to stop it in 6.0s?6.0 \mathrm{~s} ?6.0s? C. The original habitat contained many predators, and the species diversified in order to avoid extinction. A. Introns must be removed from eukaryotic DNA before the gene is inserted into the plasmid. 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 MC1RDMC1RD allele in the Tule Mountain population? c) storing bile that is released into the bloodstream. The animals in population A were exposed to different predators and had to modify their fur color to be better camouflaged. Dark color is selected for in mice from the West, Mid, and East populations. To test their claim, they monitored 12 populations of E. coli for 10,000 generations under the same environmental conditions. The darker backgrounds conferred a selective advantage to the black variety, as described by natural selection. 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. Table 1 shows the collected data. 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. B. Specimen 2 White circle, grey circle and black circle. These alleles code for glycoproteins that act as antigens on the red blood cells. 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. A. After several generations, both groups of mice are given a new type of food that is harder to digest than the previous food. B. A. 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. A recent survey of ten Midwest counties are shown in Figure 1. The SinoHimalayan fern, Lepisorus clathratus is 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. A. Which of the following best explains the phenotypic pattern in the moths over time? Which of the following sets of data provides evidence that best supports common ancestry for organisms in all three domains? Convergent evolution, because these organisms do not share a recent common ancestor. Which of the following best predicts the effect of the enclosure on the O'Neill population? Click the card to flip Geographic isolation will create separate gene pools, Which of the following would be an appropriate alternative hypothesis? Facts about the test: The AP Biology exam has 60 multiple choice questions and you will be given 1 hour 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. B. The increased air pollution of the nineteenth century due to the use of coal led to a darkening of surfaces from soot. D. The number of species present on Earth will equal the number of species on Earth after the last extinction. WebView AP Biology Unit 7 Evolution; MCQ Questions 1.pdf from BIOLOGY 101 at Oakland High School, Oakland. The researchers determined that the East lava flow population is not in Hardy-Weinberg equilibrium. The model is shown in Figure 1. The warmer temperatures will lead to a drier environment, so the plants will no longer produce enough nectar to attract the pollinators. Human activities can drive changes in ecosystems that affect the risk of extinction. Which of the following best describes the expected distribution of proboscis size of the moths at the end of the fiveyear study? Based on the data in Figure 1, which of the following would most affect the allelic frequencies of the populations on Isabela and Butuan? B. C. Restriction enzymes in the cytoplasm of the bacteria degrade linear DNA. Each of the fifteen genotypes shown in generation 1 and generation 2 represents 100 mice. Many of these species rely on pollinators that migrate based on changes in day length and the position of the Sun. This molecule cannot exist. Ap biology unit 1 test answers - anfk. By 1940, most genetic variation for speed had been lost from the gene pool. (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 ? D. 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. Even though there are numerous mountains in the region, the climate on the mountains is too cold for the lizards to survive. 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. The model is shown in Figure 1. C. Dark color is selected for in mice from the West, Mid, and East Populations. B. Figure 1 shows the phylogeny of the birds. Over time, populations A and B developed into two distinct species. Which of the following best explains the phenotypic pattern in the moths over time? D. 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. A scientist wishes to provide experimental evidence to support the model shown in Figure 1 by demonstrating the ability to synthesize an RNA molecule. This one-line file will contain letter grades separated by blanks.Your function should print the distribution of grades, as shown. Which statement below best states an alternative hypothesis Fox could have used to frame his research? 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: