1. The majority of antibiotic use in the United States is for agriculture, primarily in livestock. Why is this a problem? 2. Given the fact that humans are the ones producing and distributing pesticides, why do we call the development of pesticide resistance natural selection rather than artificial selection?

1. The majority of antibiotic use in the United States is for agriculture, primarily in livestock. Why is this a problem? 2. Given the fact that humans are the ones producing and distributing pesticides, why do we call the development of pesticide resistance natural selection rather than artificial selection?

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

Chapter20: Development Of Evolutionary Thinking

Section: Chapter Questions

Problem 6TYK: Which of the following ideas is not included in Darwins theory? a. All organisms that have ever...

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1.A) Adaptations to a Changing Environment• Explain why it is necessary for organisms to have the ability to adapt.• Why is the current environment making it difficult for organisms to adapt?• Explain how organisms develop adaptations.2. B) Artificial Selection• Explain how artificial selection is like natural selection.• Why are quail useful subjects for an experiment on selection? What other organisms share similar characteristics?
1. According to the text, what is artificial selection most often called? a) natural selection b) evolution c) selective breeding d) desirable traits
1. Artificial Selection• Explain how artificial selection is like natural selection.• Why are quail useful subjects for an experiment on selection? What other organisms share similar characteristics?
Which of the following ideas is not included in Darwins theory? a. All organisms that have ever existed arose through evolutionary modifications of ancestral species. b. The great variety of species alive today resulted from the diversification of ancestral species. c. Natural selection drives some evolutionary change. d. Natural selection preserves advantageous traits. e. Natural selection eliminates adaptive traits.
1) “Nature is an extremely dangerous place to live.” Provide example in support of this assertion. 2) How is selective breeding similar and different from natural selection?
6) Which mechanism can consistently produce "adapted" individuals through evolution? A) Gene flow B) Sexual selection C) Natural selection D) Genetic drift
1. Recombinant DNA technology products are now used in various fields, some in agriculture, while others are for industrial and medical purposes. which of the following is/are an example of it? I. human insulin II. human growth hormone iii. cancer cell treatment a. I only b. I, II, & III c. II & III only d. I & III only 2. Which of the following is the best example of natural selection? a. All of the above b. Trout that are born with darker scales are better able to survive in the shadows among the river rocks. c. A population of arctic foxes undergoes a seasonal coat color change from brown to white as soon as snow covers their habitat. d. Field mice born during a year with excess wheat will gain muscle mass and thus have offspring that have an increased muscle mass.
5. It is a theory proposed by Jean Baptiste de Lamarck which states that the ability to survive helped organisms develop characteristics necessary for them to adapt in a given environment. * a. The Evolution Theory b. The Theory of use and Disuse c. The Theory of Need d. The Theory of Natural Selection
1. a) How does this experiment demonstrate the definition of evolution? b) Fitness of organisms is a function of the environment (that is, organisms best fit to the local environmental conditions leave more surviving offspring). How does this experiment demonstrate this fact?
1. WHY DO SCIENTISTS CONSIDER VESTIGIAL STRUCTURES EVIDENCES FOR EVOLUTION.
4. Which of the following describes indirect evidences for evolution? a. consists of actual observation b. is actually observed or seen c. is something that does not involve actual observation of evolution but for which we can infer that evolution has taken place d. None of the above.
7. In the course of human evolution, we can see in the fossil record a tendency towards increasingly large brains as this feature likely served as an adaptive advantage. In terms of natural selection this is known as a. Random Selection b. Stabalizing Selection c. Directional Selection d. Disruptive Selection