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. C. Yeast and mushrooms are the most closely related, because they are both fungi. A captive population of cheetahs kept in a confined area will have a greater risk of contracting and passing on a virus. Cattle and sheep are separated by only one node, and they are separated from the other organisms by more than one node. The two populations will show significant genetic differences because the founder effect will result in significant losses in diversity in the smaller population. 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. 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. 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? Cells with mitochondria were able to utilize metabolic energy more efficiently. Over time, populations A and B developed into two distinct species. Even though there are numerous mountains in the region, the climate on the mountains is too cold for the lizards to survive. 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? few individuals become isolated from a large population and establish a new small population with a gene pool that differs from the large population. 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 ? Scientists determined the frequencies of the M and N alleles in five localized and stable human populations in the Philippines (Figure 1). The model is shown in Figure 1. B. ayo **** that girl who gave me the wrong answers. The genotypes BB and Bb result in dark-colored fur, the genotype bb results in light-colored fur. 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. Hunting in the nineteenth century has been blamed for a drastic reduction in the northern elephant seal population. Which of the following statements best predicts the result of a comparison between the fossils found before and after the period of rapid change? 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)(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 ? Which of these would be an appropriate null hypothesis to test related to whether meteorites hit the Earth 3.6 billion years ago? Which statement below best states an alternative hypothesis Fox could have used to frame his research? A scientist maintains a large population of the fruit fly Drosophila affinis in the laboratory. Which of the following predicts the expected outcome of the experiment? 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. Select the best alternate hypothesis to support this claim. 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? A model of the investigation is shown in Figure 1. 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. Scientists studying the fossils observed patterns of changing shell shape in the mollusks. 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. Controlled fires in counties 6 and 8 will have no effect on the sparrow populations. Which of the following represents an alternate hypothesis tested by this experiment with regard to the population sizes of Henslow's sparrows? Biology Practice Exam - College Board C. Organisms in Bacteria, Archaea, and Eukarya each have adenine, thymine, guanine, and cytosine bases forming their DNA. 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?
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