The original habitat had many available unoccupied ecological niches that were colonized by populations of the original species. Scientists claim that some of the populations in Marion County are at an increased risk of decline or extinction. Geographic isolation will create separate gene pools, leading to speciation over time. A group of researchers claim that chance events play an important role in the evolution of populations. Figure 1 shows the phylogeny of the birds. 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 frequency of homozygous recessive individuals will increase because light-colored fur absorbs less heat. AP Biology Unit 7 MCQ B Flashcards | Quizlet Which of the following best explains the divergence in morphology in the birds? Continue treating the three insect populations with the same insecticides and determine whether their efficiencies decline significantly after several generations. B. 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? The population was predominantly black throughout the nineteenth century. 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? 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. D. The black variety was a nineteenth century mutation, dominant to the peppered variety. The increased air pollution of the nineteenth century due to the use of coal led to a darkening of surfaces from soot. Hunting in the nineteenth century has been blamed for a drastic reduction in the northern elephant seal population. A. This one-line file will contain letter grades separated by blanks.Your function should print the distribution of grades, as shown. AP Biology Unit 7 Evolution MCQ Questions 1.pdf - AP One group is given food with an added substance that is known to be a mutagen. 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. E_1=E_2=200 \mathrm{GPa}, \quad \alpha_1=\alpha_2=12 \times 10^{-6} /{ }^{\circ} \mathrm{C} \\ Cattle and sheep are separated by only one node, and they are separated from the other organisms by more than one node. Immigration of individuals from Metro Manila into the two populations. 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. Which of the following predicts the expected outcome of the experiment? D. If recently fallen meteorites and meteoroids collected in space are tested, they will not contain organic molecules. 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. Click the card to flip Geographic isolation will create separate gene pools, Cells with flagella were better able to find food and escape predators. Take a look at the Intro to Unit 5 . When a population is reduced, new niches become available in the environment, which can trigger adaptive radiation.