Please answer fast besed20. The theory of natural selection does not depend on which of the following?A. Heritability B. Purpose Reproductive successC.D. Variation21. Phylogeny illustratesA. Common ancestry. B. Genetic drift.C. Natural selection. D. Particulate inheritance22. Which of the following is an example of a convergent trait?A. The shared five-digit character state in tetrapod vertebratesB. The multiple hemoglobin genes in the jawed vertebrates.C. The triangular dorsal fin in sharks and dolphins.D. All the above would be considered convergent traits.23. Phylogenetic trees may be used to display relationships among which of the followingD. All the aboveA. SpeciesB. GenesC. Cells24. Characters are referred to as being homologous ifA. They evolved independently in two taxa because of a common environment.B. They were acquired through horizontal gene transfer.C. They are similar because they were inherited from a shared ancestorD. They evolved as the result of a gene duplication event.25. According to the theory of natural selection,A. adaptations beneficial in one habitat should generally be beneficial in all other habitats.B. different individuals occupying the same habitat will adapt to that habitat through the same genetic changes.C adaptations beneficial at one time should generally be beneficial during all other times.D. well-adapted individuals leave more offspring, and thus contribute more to the next generation's gene pool,than do poorly adapted individuals.26. The studies of changes between black and light color in populations of the peppered moth show thatA natural selection can quickly change allele frequencies and common phenotypes in a populationB. species can always adapt to environmental changesC. predators always prefer light colored mothsD. natural selection produces irreversible changes27. How does artificial selection produce rapid changes in the phenotype of organisms?A. by changing the frequency of alleles and selecting for new combinations of traits.B. by stimulating the species to increase the production of new mutations.C. by changing the number of chromosomes.D. by selecting only dominant genotypes.28. Selection at the level ofis likely to be the most important because the numbers and turnover ratof these entities are greater than those of the other levels.A. genesB. populations C. species D. subspecies29. Of the main mechanisms of evolutionary change. Which mechanism is the only one below that relies on onadaptive evolutionary change?A. Mutation. B. Gene flow. C. Genetic drift.D. Natural selection.30. Darwin's Theory of evolution by natural selection is based on all of the following postulates except:A. some individuals are more successful in surviving and reproduction than others.B. at least in part, variations among individuals are passed on from parents to offspring.C. the survival and reproduction of individuals is always random.

When a species adapts to new environment conditions over a period of time for survival is called…

20. The theory of natural selection does not depend A Heritability B. Purpose C. Reproductive success 21. Phylogeny illestrates A Common ancestry. B. Genetic drift. D. Variation C. Natural selection 2. Which of the following is an example of a convergent trait? The shared five-digit character state in tetrapod vertebrates The multiple hemoglobin genes in the jawed vertebrates The triangular dorsal fin in sharks and dolphins All the above would be considered convergent traits. D. Particulate inheritance. Phylogenetic trees may be used to display relationships among which of the following C. Species D. All the above B. Genes Cells Characters are referred to as being homologous if They evolved independently in two taxa because of a common environment. They were acquired through horizontal gene transfer. They are similar because they were inherited from a shared ancestor They evolved as the result of a gene duplication event.

20. The theory of natural selection does not depend A Heritability B. Purpose C. Reproductive success 21. Phylogeny illestrates A Common ancestry. B. Genetic drift. D. Variation C. Natural selection 2. Which of the following is an example of a convergent trait? The shared five-digit character state in tetrapod vertebrates The multiple hemoglobin genes in the jawed vertebrates The triangular dorsal fin in sharks and dolphins All the above would be considered convergent traits. D. Particulate inheritance. Phylogenetic trees may be used to display relationships among which of the following C. Species D. All the above B. Genes Cells Characters are referred to as being homologous if They evolved independently in two taxa because of a common environment. They were acquired through horizontal gene transfer. They are similar because they were inherited from a shared ancestor They evolved as the result of a gene duplication event.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter24: Systematics And Phylogenetics: Revealing The Tree Of Life

Section: Chapter Questions

Problem 8TYK: When systematists study morphological or behavioral traits to reconstruct the evolutionary history...

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1. Which among the following is NOT a principle of natural selection? a. The DNA sequence of the organism will change. b. The characteristics of organisms are inherited or passed from parent to offspring. c. Offspring vary among each other about their characteristics, and those variations are inherited. d. More offspring are produced than can survive. 2. Tawilis is a freshwater sardine endemic only in the Taal Lake in Batangas province. After several eruptions of the Taal volcano in the 21st century, the sardine population mentioned above rapidly dropped up to 82%. What best describe this scenario? a. mutation b. migration c. natural selection d. genetic drift
19. Lumber lordosis or the inward 's-shapes' curve of the human spine, can be described as a ___ trait: or a trait that the human species have, but is not present in older species such as the last common ancestor that the lineage of human species shared with the last common ancestor to chimpanzees. a. Obtained b. Derived c. Evolved d. Primative
4. Why is the Hardy Weinberg law of equilibrium important to a study of evolutionary processes? a. it tells us how heavy are mammals and if they may have lived in cold enviroments in the past. b. It shows us to measure change in gene frequency in population to see if selection pressures are affecting gene expression. c.It allows us to study how eplgenetics affects specific traits d. It allow us to measure the age of fossils and date the origin of a species
www.ck 12.org The Theory of Evolution C. acquired inheritance. d. geologic change. 6. The type of evolution observed by Peter and Rosemary Grant on the Galapagos Islands is referred to as a. macroevolution. b. comparative evolution. C. microevolution. d. stabilizing evolution. 7. A gene pool consists of all the genes in a(n) goloid to lle vinu b a. species. Bypopulation. individual. d. genome. 8. All of the following are forces of evolution except a. genetic drift. b. mutation. C. gene flow. (d. gradualism. 9. The evolution of sexual dimorphism comes about through a. directional selection. b. artificial selection. c. disruptive selection. d, none of the above. 10. The evolution of Kaibab squirrels is an example of a. coevolution. b. sympatric speciation. C. symbiotic evolution. d. allopatric speciation. True or False Write true if the statement is true or false if the statement is false.
Illuminate Bat wing Bird wing Flying squirel wing a. Homologous c. Analogous b. Heterologous d. Vestigial 6. Which of the following is molecularlgenetic evidence for evolution? a. Embryonic human hemoglobin is different from adult human hemoglobin. b. Hemoglobin in humans can vary between different individuals. c. Human hemoglobin is more similar to chimp hemoglobin than mouse hemoglobin. d. Human hemoglobin is different from mouse hemoglobin. 个

Explanation 2. Imagine you are a farmer researching the impact of GMFs. What is one advantage and one disadvantage that would be relevant to your work? Explain each. 3. What was the original purpose of Darwin's voyage on the H.M.S. Beagle, and what was the ultimate significance of the voyage? 4. Suggest two ways that a synthetic biologist can change the course of evolution. 5. Explain how natural selection and sexual selection can work together to cause the evolu- tion of large antlers on male moose.
1. Which of these populations has all the characteristics needed to evolve by natural selection? A. a population of lizards may be brown or red. The temperature of the eggs determines the color of the baby lizards, and a brown parent lizard is equally likely to give birth to either color of offspring. B. a population of spiders includes individuals that build their webs in triangle shapes and others that build their webs in round shapes. They inherit their web-building strategies from their parents and all shapes are equally successful at catching insects. C. some gazelles are capable of running faster than others, a skill that is partially genetic Faster gazelles tend to live longer and have more offspring. A. Population A B. Population B C. Population C 2. Your friend asks you "If evolution is real, why aren't humans perfectly adapted by now! why do people still get heart disease and cancer and die?" Which of these would be an accurate response you could give? A. Evolution only…
Match the descriptions/examples types of evidence that support evolution. 1.Biogeography 2.Comparative Embryology 3.Comparative Anatomy 4.Molecular Biology A.Organisms in New Zealand are more similar to organisms in Australia than they are to organisms in North America . B.The embryos of many species have gill pouches even though the gill pouches are not used in these species . C.The forelimbs of the human ,cat ,whale and bat have many similar bones despite the fact that the forelimbs have different functions . D.The Human genome is 98% identical to the Chimpanzee genome .
17. Which of the following statements best explains the Theory of Natural Selection? * a. Organs that are not used may disappear, while organs that are constantly used may develop b. In nature, the organism with desirable characteristics may survive, while those weaker traits may not c. Organisms develop desirable structures to survive in a given environment d. Acquired characteristics of parents can be passed on to offspring 18. Larry Daley is a paleontologist found out some Central American Acacia species that have hollow thorns and pores at the bases of their leaves that secrete nectar. He used the species to understand the history and origin of the place. From the given situation, the Central American Acacia species is an example of _____________. * a. evolution b. fossil c. mutation d. coevolution
1a-Farmers often use pesticides to kill insects to protect their crops. However, insect populations will often develop resistance to any pesticides that are used on them within a few generations. What is the selective pressure in such a scenario? O a. Pesticide treatment O b. The crops Oc. Pesticide resistance Od. The insects Oe. Mutation 1b-What is/are the element(s) required for a population to change due to natural selection? Select all options that are correct below. a. Variability in a population b. Genetic drift c. Inheritance of traits d. Differential survival e. Evolution
25. According to Darwin’s theory of natural selection, the individuals that tend to survive are those that have * a. characteristics their parents acquired by use and disuse. b. characteristics that plant and animal breeders value. c. the greatest number of offspring. d. variations best suited to environmental conditions
20. Savanna giraffes are thought to have evolved from okapi-like ancestors as the climate became more arid in Africa (20 MYA). Since savanna giraffes and okapis occupied different geographic areas and habitats then, as they do today (grassland for giraffes, mountain forest for okapis), they represent: A. one of the best examples of speciation by cladogenesis due to stabilizing selection B. one of the best examples of speciation by anagenesis due to directional selection C. one of the best examples of sympatric speciation due to stabilizing selection D. one of the best examples of speciation by anagenesis due to stabilizing selection E. one of the best examples of speciation by cladogenesis due to disruptive selection