Choose the sentence that best relates to Translocation Group of answer choices A: A chromosomal mutation where genetic material is switched between two chromosomes B: the process of causing genetic drift through migration C: None of these answers are true D: when a predator acts as a selective agent
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The correct option is A - a chromosomal mutation where genetic material is switched between two chromosomes
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- Which types of environments/conditions would favor sexual reproduction over asexualreproduction in a species? (select all that apply) Group of answer choices A species that is rapidly expanding into new environments. A species that has accumulated many deleterious mutations An environment that is stable and favorable An environment where a pathogen of a species is rapidly diversifyingConsider the table of morphological traits exhibited by species A to I (expressed traits marked with an "X"). Traits Species 1 2 3 4 5 6 7 8 9 A X - X X - X X - X B - X X - X - - - - C - - - - - - - - - D X - X - - X X - X E X - X X - X X X X F X - X X - - X X X G - X X - - - X - X H - - X - - - - - X I - - X - X - - - - Find the number of traits expressed by each species. Find the number of species possessing each trait. Is the set of species exhibiting trait 2 a subset of those exhibiting trait 9? Is the set of species exhibiting trait 8 a subset of those exhibiting trait 7? Is the set of species exhibiting trait 6 a subset of those exhibiting trait 1? Is the set of species exhibiting trait 1 a subset of those exhibiting trait 9? Is the set of species exhibiting trait 1 a subset of those exhibiting trait 8? 13. Consider the table of traits in problem 12 above. Create a parsimonious cladogram based upon the table's information. 14. Consider the…The pesticide DDT was widely used in the 1940s as a method of insect control. In the late 1950s the first DDT-resistant mosquitoes were discovered, and eventually DDT-resistant mosquitoes were found globally. When DDT is used now, the development of DDT resistance in mosquito populations occurs in months rather than years.Which of the following best explains the observations concerning DDT resistance in mosquitoes?* nd 2 chool The proportion of DDT-resistant mosquitoes in a population remains constant due to O the metabolic costs of DDT utilization DDT is a chemical signal that delays normal reproductive cycles in many mosquito populations. Natural selection favors DDT-resistant mosquitoes that are already present in a population when DDT exposure occurs. Competition for limited resources causes mosquitoes to migrate to geographical areas that have richer supplies of DDT. A population of 1.492 finches is intróduced to a rainforest. Over the next year, the finches show a death rate of…
- The pesticide DDT was widely used in the 1940s as a method of insect control. In the late 1950s the first DDT-resistant mosquitoes were discovered, and eventually DDT-resistant mosquitoes were found globally. When DDT is used now, the development of DDT resistance in mosquito populations occurs in months rather than years.Which of the following best explains the observations concerning DDT resistance in mosquitoes? * nd 2 school The proportion of DDT-resistant mosquitoes in a population remains constant due to the metabolic costs of DDT utilization DDT is a chemical signal that delays normal reproductive cycles in many mosquito populations. Natural selection favors DDT-resistant mosquitoes that are already present in a population when DDT exposure occurs. Competition for limited resources causes mosquitoes to migrate to geographical areas that have richer supplies of DDT. A population of 1.492 finches is introduced to a rainforest. Over the next year, the finches showa death rate of…Which of the following is not a characteristic of r-selected species. O mature early O mature late O more offspring O smaller offspringBackground Information: Before the industrial revolution, the trees in the forest around Manchester, England were a light grey/green due to the color of lichens (fungus) on their trunks. Peppered moths, or Biston betularia, which lived in the area were found in two varieties: 1) Light with dark spots (most common) and 2) Dark with light spots (less common). Because there were not enough resources to support the entire population, the two varieties of this species had to compete for survival. Their coloring, when against a similar background, served as camouflage against predators such as birds and lizards, thus increasing chances of survival. As the Industrial Revolution progressed, the trees became covered with sulfur dioxide, which killed the light-colored lichen and thus turning the tree trunks dark. Problem Questions: Choose only 1 question below to answer in an “If…then” hypothesis. What will happen to the number of light-colored peppered moths as the trees began to darken?…
- Match each term in column A with its definition in column B. Write the letter of the What Have I Learned So Far? correct answer on the blank A B 1. Emigration a. This can be the probability of an individual to mate with other individuals in a population. 2. Immigration b. It is the rearrangement of genes in 3. Recombination chromosomes. c. It is the process by which organisms enter and exit a certain area or region. 4. Genetic drift d. This happens when organisms invade a particular area. 5. Natural selection e. This happens when organisms have left 6. Artificial selection the area. f. This is the change in the DNA sequences that account for evolutionary changes of 7. Genetic mutation organisms. 8. Nonrandom mating g. It is the change of allele frequencies due to small population sizes. 9. Migration h. This is the process by which a certain individual can select traits that are considered favorable and cultured for 10. Population bottleneck preservation of good qualities. i. The…DOTa species The pesticide DDT was widely used in the 1940s as a method of insect control. In the late 1950s the first DDT-resistant mosquitoes were discovered, and eventually DDT-resistant mosquitoes were found globally. When DDT is used now, the development of DDT resistance in mosquito populations occurs in months rather than years.Which of the following best explains the observations concerning DDT resistance in mosquitoes? * The proportion of DDT-resistant mosquitoes in a population remains constant due to the metabolic costs of DDT utilization DDT is a chemical signal that delays normal reproductive cycles in many mosquito populations. Natural selection favors DDT-resistant mosquitoes that are already present in a population when DDT exposure occurs. Competition for limited resources causes mosquitoes to migrate to geographical areas that have richer supplies of DDT. A population of 1,492 finches is introduced to a rainforest. Over the next year, the finches showa death rate of…II. Matching Type Directions: Match Column A with the correct answers in Column B by writing the number of your answers before the letter. Column A Column B a. A process in which new species form 1. Thomas Malthus b. Authored the Theory of Evolution by Natural Selection 2. Hybrid sterility c. It occurs when a hybrid develops, matures but fails to reproduce 3. Pre-mating isolating mechanism d. States that increasing human population limits 4. Jean Baptiste Lamarck resources e. Species will not mate due to different mating 5. Temporal isolation seasons 6. Speciation f. Sought pieces of evidence for the idea of uniformitarianism 7. Charles Darwin g. It occurs when organisms from the same population and habitat differentiate into two or more species h. It prevents members of different species from mating 8. Sympatric speciation 9. Charles Lyell i. Proposed the inheritance of acquired characteristics as an idea of evolution
- Discuss how changes in organisms within an environment affect their survival. Specifically discuss the effects of a gene mutation for color in beetles. << Read LessDefine gene mutation Group of answer choices A. the process whereby organisms better adapted to their environment tend to survive and produce more offspring. B. the introduction of genetic material (by interbreeding) from one population of a species to another, thereby changing the composition of the gene pool of the receiving population C. variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce. D. A rare and random change in a gene that can be bad or benef icial depending on the environment .Describe mutations that do not affect protein structure or function and provide details of how such mutations may play a role in evolutionary change and speciation. Give a specific example (including both the phenotypes and mutation)
