Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 19, Problem 9TYU
Mutation (a) leads to adaptive evolutionary change (b) adds to the
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Unlike natural selection, is not related to an individual’s ability to survive and may result in offspring that are less well adapted to survive in a particular environment.
(a) genetic drift
(b) sexual selection
(c) directional selection
(d) convergent evolution
Charles Darwin proposed that evolution could be explained by the differential reproductive success of organisms that resulted from their naturally occurring variation. Darwin called this process (a) coevolution (b) convergent evolution(c) natural selection (d) artificial selection (e) homoplasy
a). define fitness in terms of an evolutionary term what does fitness mean?
b). by what process would analogous structures evolve so they look alike?
c). by what process would 2 related but geographically separated groups evolve similar adaptations independently.
Chapter 19 Solutions
Biology (MindTap Course List)
Ch. 19.1 - Define what is meant by a populations gene pool.Ch. 19.1 - Distinguish among genotype, phenotype, and allele...Ch. 19.1 - Prob. 1CCh. 19.1 - Can the frequencies of all genotypes in a...Ch. 19.1 - INTERPRET DATA In a human population of 1000, 840...Ch. 19.2 - Discuss the significance of the HardyWeinberg...Ch. 19.2 - Prob. 4LOCh. 19.2 - INTERPRET DATA In a population at genetic...Ch. 19.2 - INTERPRET DATA In a population at genetic...Ch. 19.2 - INTERPRET DATA The genotype frequencies of a...
Ch. 19.3 - Prob. 5LOCh. 19.3 - Discuss how each of the following...Ch. 19.3 - Distinguish among stabilizing selection,...Ch. 19.3 - Which microevolutionary force leads to adaptive...Ch. 19.3 - Why is mutation important to evolution if it is...Ch. 19.3 - Which microevolutionary forces are most associated...Ch. 19.3 - Prob. 4CCh. 19.4 - Prob. 8LOCh. 19.4 - Prob. 1CCh. 19.4 - Prob. 2CCh. 19.4 - How can researchers test the hypothesis that...Ch. 19 - The genetic description of an individual is its...Ch. 19 - In a diploid species, each individual possesses...Ch. 19 - The MN blood group is of interest to population...Ch. 19 - If a populations allele and genotype frequencies...Ch. 19 - Prob. 5TYUCh. 19 - The continued presence of the allele that causes...Ch. 19 - According to the HardyWeinberg principle, (a)...Ch. 19 - Prob. 8TYUCh. 19 - Mutation (a) leads to adaptive evolutionary change...Ch. 19 - Which of the following is not true of natural...Ch. 19 - If all copies of a given locus have the same...Ch. 19 - Prob. 12TYUCh. 19 - EVOLUTION LINK Given that mutations are almost...Ch. 19 - Prob. 14TYUCh. 19 - Prob. 15TYUCh. 19 - EVOLUTION LINK Evolution is sometimes...Ch. 19 - INTERPRET DATA The recessive allele that causes...Ch. 19 - PREDICT You study males in populations of a...Ch. 19 - Prob. 19TYU
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- The Hardy–Weinberg principle may be applicable if (a) the population size is small (b) migration occurs only at the beginning of the breeding season (c) mutations occur at a constant rate (d) matings occur exclusively between individuals of the same genotype (e) natural selection does not occurarrow_forwardNatural selection (a) leads to species being better adapted to their environment. (b) may lead to speciation if there is no gene flow between populations. (c) may lead to genetic divergence among populations in differing environments. (d) all of the above (e) none of the abovearrow_forwardWhich of the following is not true of natural selection?(a) natural selection acts to preserve favorable traits and eliminate unfavorable traits (b) the offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation (c) natural selection directs the course of evolution by preserving the traitsacquired during an individual’s lifetime (d) natural selection Test Your Understanding acts on a population’s genetic variability, which arisesthrough mutation (e) natural selection may result in changes in allele frequencies in a populationarrow_forward
- 1)Provide a scientific example of evolution and/or natural selection. You can use human and/or animal examples.2) Describe how the animal/species developed an advantage over time or what the evolutionary process was.3) Give a source for where you located your information.arrow_forwardTraits that are inherited and improve an individual’s ability to survive and reproduce are called traits. (a) adaptive (b) polymorphic (c) biological (d) sympatric (e) allopatricarrow_forwardIndicate whether each statement presents an idea of Jean-Baptiste Lamarck, of Charles Darwin, or of Both Scientistarrow_forward
- In _______________ the selecting agent is the environment, whereas in _______________ the selecting agent is humans. (a) natural selection; convergent evolution (b) mutation; artificial selection (c) homoplasy; homology (d) artificial selection; natural selection (e) natural selection; artificial selectionarrow_forwardThe diversity of life is explained by the theory of evolution. Living things on Earth evolve by (1); that is, the selective survival of individuals of a species possessing a trait that increases their (2). Natural selection relies on the natural variations in a population of a species caused by (3).arrow_forwardIf a population’s allele and genotype frequencies remain constant from generation to generation, (a) the population is undergoing evolutionary change (b) the population is said to be at genetic equilibrium (c)microevolution has taken place (d) directional selection is occurring, but only for a few generations (e) genetic drift is a significant evolutionary forcearrow_forward
- Evolution is the accumulation of genetic changes within _______________ over time. (a) individuals (b) populations (c) communities (d) a and b (e) a and carrow_forwardTrue or False a.) Evolution creates genetic variation in a population. b.) Fitness refers to an allele's ability to help the organism evade predators. c.) The process of natural selection may increase or decrease the frequency of a particular allele in the population depending on the environment. d.) A potato species acquires a mutation in its catalasegene that allows it to function in very cold environments. However, this catalaseis denatured at room temperature. This is a good example of fitness cost.arrow_forwardWhich of the following correctly refer to individuals with lower fitness? A) Have a selective disadvantage B) Are selected against C) Have an evolutionary benefit A and B A, B, and Carrow_forward
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