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In Exercises 13 40, evaluate the expression. Assume x 0.a) -32 b) (-3)2

A Survey of Mathematics with Applications | 9th Edition | ISBN: 9780321759665 | Authors: Allen R. Angel, Christine D. Abbott, Dennis C. Runde ISBN: 9780321759665 194

Solution for problem 5.1.502 Chapter 5.6

A Survey of Mathematics with Applications | 9th Edition

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A Survey of Mathematics with Applications | 9th Edition | ISBN: 9780321759665 | Authors: Allen R. Angel, Christine D. Abbott, Dennis C. Runde

A Survey of Mathematics with Applications | 9th Edition

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Problem 5.1.502

In Exercises 13 40, evaluate the expression. Assume x 0.a) -32 b) (-3)2

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Selection • VISTA- Variation, Inheritance, Selection, Time, Adaptation • What drives selection • Food source • Predators • Pathogens • Climate • “Survival of the fittest” ◦ misleading- implies direct competition among individuals • Reproductive success or Relative fitness ◦ Its all about who can be able to survive and pass along their genes/heritable trait to the next generation • Examples of this is the Finches – Galapagos Islands ◦ 1977 severe drought ◦ Food source changed to only hard nuts ◦ 85% of finches died • Over time the population adapted to the environment. ◦ Population evolve over time Microevolution • Genes- control development in beaks of birds • Alleles-versions of this gene ◦ b= less growth ◦ B= more growth • Possible phenotypes ◦ small beak ◦ average beak ◦ large beak • Before the drought no certain combination had the advantage after the drought the large beak birds did • With no variation in the beak size the population would have not been able to evolve • Microevolution- a change in allele frequencies in populations over time. • Natural election ◦ Three types of selection • Directional selection- favors individuals at one end of phenotypic range (FF) • Disruptive selection- favors extreme (ff,FF) • Stabilizing selection- favors intermediate variants (Ff) • Microevolution-a change in allele frequencies in a population over time • Before drought ◦ 10 B alleles (10/22)=45% ◦ 12 b alleles (12/22)=55% • After drought ◦ 16 B alleles (16/18)=89% ◦ 2 b alleles (2/18)=11% • Apply Hardy-Weinberg principle to see if evolution is occurring • Hardy-Weinberg alleles frequencies and genotype frequencies in a population remain constant from generation to generation

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Chapter 5.6, Problem 5.1.502 is Solved
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Textbook: A Survey of Mathematics with Applications
Edition: 9
Author: Allen R. Angel, Christine D. Abbott, Dennis C. Runde
ISBN: 9780321759665

Since the solution to 5.1.502 from 5.6 chapter was answered, more than 244 students have viewed the full step-by-step answer. A Survey of Mathematics with Applications was written by and is associated to the ISBN: 9780321759665. The answer to “In Exercises 13 40, evaluate the expression. Assume x 0.a) -32 b) (-3)2” is broken down into a number of easy to follow steps, and 13 words. This full solution covers the following key subjects: . This expansive textbook survival guide covers 105 chapters, and 6968 solutions. This textbook survival guide was created for the textbook: A Survey of Mathematics with Applications, edition: 9. The full step-by-step solution to problem: 5.1.502 from chapter: 5.6 was answered by , our top Math solution expert on 12/28/17, 08:33PM.

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In Exercises 13 40, evaluate the expression. Assume x 0.a) -32 b) (-3)2