The most accurate definition of biological evolution from the following is... a. extinction and speciation b. the change in allele frequencies over time c. survival of the fittest d. the origin of new species
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The most accurate definition of biological evolution from the following is...
a. extinction and
b. the change in allele frequencies over time
c. survival of the fittest
d. the origin of new species
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- Which of the following is the best definition of evolution? Group of answer choices a. allele frequency change in a population b. survival of the fittest c. the adaptation of organisms to their environment d. formation of new speciesWhich of the following patterns of evolution is most supported by the fossil record? a. Descent with modification b. Hybrid speciation c. Stasis d. Punctuated disequilibriumWhich of the following examples (some from class) are examples of evolution by natural selection? Choose all that apply. (1 or more are correct) Group of answer choices A_Evolution of rock pocket mice population to blend in with dark lava environment B_Evolution of high prevalence of disease alleles of an endangered species whose habitat was quickly destroyed to less than 5% remaining C_Evolution of high prevalence of sickle cell allele in areas with endemic malaria D_Evolution of a small population where most of the individuals with a red-hair mutation were killed off by a storm
- Compare and contrast the neutral theory of evolution and the Darwinian (i.e., selectionist) theory of evolution. Explain why the neutral theory of evolution is sometimes called non-Darwinian evolution.Which of the following processes and or mechanisms of evolution violate the assumptions of Hardy-Weinberg Equilibrium? Select all that apply. Group of answer choices A) Natural selection B) Assortative mating C) Random mating D) Genetic drift E) MutationWhat were the requirements that Charles Darwin believed were necessary for adaptive evolution? Group of answer choices A. A population contains variation for some character B. The distribution of the character in the population would change over time C. Some variants sruvive and reproduce at higher rates than other D. All of the answers are correct E. The variation is at least partially heritable
- Which of the evolutionary processes discussed in the material presented can introduce genetic variation into a population? a) natural selection and genetic drift b) mutation and gene flow c) natural selection and nonrandom mating d) mutation and genetic driftWhich of the following would be described as genetic drift?a. the distribution of species resulting from the movement of the continents as they dispersed from Pangaeab. random mating that occurs in a large populationc. the random changes that might occur in a gene pool as the result of a natural disaster that significantly reduced the size of a populationd. the change in allele frequencies that result from sexual selectionWhich of the following statements is inaccurate? Multiple choice (one answer is correct) a.The genetic variation that occurs in a population from mutation is non-random b.Natural selection is the only mechanism that consistently causes adaptive evolution c.Evidence demonstrates that whales evolved from land-dwelling organisms d.Natural selection acts on populations
- Which of the following are INCORRECT about inbreeding? select all that apply a.) It speeds evolutionary change b.)It causes evolution c.)Allele frequency changes d.)Genotype frequency does not change e.)Heterozygosity decreasesWhich of the following statement about the outcome of the evolution of a new species through hybridization is false? a.The new species may have traits that allow it to inhibit environments different from both parental species. b.The new species is always an intermediate of the two parental species c.The new species may have greater genetic diversity and greater trait diversity than the parental species. d.None of the above What are the two ways of looking into evolution in detail? a.Micro frequency change and ascent with modification b.Genotypic and phenotypic modification c.DNA frequency change and inheritance modification d.Allele frequency change and descent with modification Natural selection increases the frequencies of advantageous alleles and decreases deleterious alleles' frequencies. What are the three categories of natural selection depending on the favored traits? a.Directive, selective and native b.Indicative, normative and fixative c.Directional, stabilizing and…Which of the following most accurately describes mutations? a. They typically have immediate and impactful evolutionary effects on populations. b. They are required for all populations to evolve. c. They are always deleterious. d. They occur so infrequently that most populations to harbor very little variation.