Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 13TYK
Design an experiment to test Lamarck’s hypothesis that characteristics acquired during an organism’s lifetime are inherited by their offspring. (You may wish to review the components of a well-designed experiment in Chapter 1 before formulating your answer.) Can you think of examples of acquired characteristics that are not inherited by offspring?
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Chapter 20 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 20.1 - Why did the existence of vestigial structures make...Ch. 20.1 - What were Lamarcks contributions to an...Ch. 20.1 - How do the concepts of gradualism and...Ch. 20.2 - What observations that Darwin made on his...Ch. 20.2 - How did Darwins understanding of artificial...Ch. 20.2 - What were the four great intellectual triumphs of...Ch. 20.3 - What two problems slowed the acceptance of Darwins...Ch. 20.3 - What is the difference between microevolution and...Ch. 20.3 - What types of data provide evidence that evolution...Ch. 20 - The father of taxonomy is: Charles Darwin. Charles...
Ch. 20 - The wings of birds, the legs of pigs, and the...Ch. 20 - Which of the following ideas proposed by Lamarck...Ch. 20 - Prob. 4TYKCh. 20 - Which of the following statements about...Ch. 20 - Which of the following ideas is not included in...Ch. 20 - Which of the following could be an example of...Ch. 20 - Medical advances now allow many people who suffer...Ch. 20 - Prob. 9TYKCh. 20 - Which of the following statements is not...Ch. 20 - Which of the following does not contribute to the...Ch. 20 - Prob. 12TYKCh. 20 - Design an experiment to test Lamarcks hypothesis...Ch. 20 - Prob. 14TYKCh. 20 - For centuries, animal breeders have used...
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Using an example scenario, please explain the three conditions required for a trait to be under the pressures of natural selection.
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Darwin was the first person to note that evolutionary outcomes are probabilistic, meaning that they depend on the likelihood of outcomes rather than on certainties. Explain what this means in the context of Darwin’s theory of how evolution occurs? That is, how is Darwin’s theory is dependent upon the chances of a certain outcome and not on the absolute certainty of any particular outcome?
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How can negative traits that don't show up until old age continue in populations? (Why aren't they eliminated through natural selection?) As part of your answer, provide an example.
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Who developed the theory of Inheritance of Acquired Characteristics that suggested morphological changes that occur within an individual’s lifespan can be transmitted to offspring (also known as the use-disuse theory)?
Group of answer choices
A-Jean-Baptiste Lamarck
B-Alfred Russel Wallace
C-Erasmus Darwin
D-Thomas Malthus
E-James Hutton
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What was the key idea contained in Malthus’s essay on populations that was to help Darwin formulate his theory of natural selection?
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Under which circumstances might a population not be subjected to natural selection?
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One of the lines of evidence that led Darwin to the theory of natural selection was his study of artificial selection. Plant breeders and pigeon breeders select offspring with specific traits in mind beforehand.
a) However, since humans are an integral part of the natural world, do you think that artificial selection might be more appropriately termed “natural selection”? Why?
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How is the observation of “sporting mutations” in animal breeding used to challenge Darwin’s theory of gradualism? Why did Darwin reject such mutations as having little evolutionary importance?
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Which BEST describes how survival of the fittest relates to natural selection?
A) Organisms with favorable traits will be naturally selected to pass their traits on to the next generation.
B) Organisms with the lowest gene mutations will be naturally selected to pass their traits on to the next generation.
C) Organisms with the most recessive genes will be naturally selected to pass their traits on to the next generation.
D) Organisms living in a stable environment will be naturally selected to pass their traits on to the next generation.
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What is example of artificial selection, explain traits that were selected
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In Darwin's theory of natural selection, which of the following is a source of evolution:
a.
Individuals with random mutations who die without reproducing.
b.
Individuals with random mutations who are able to reproduce.
c.
Individuals who do not vary from their progenitors.
d.
Intelligent and purposeful design.
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Which question below directly corresponds to whether Lamarck or Darwin are correct about their theories of the mechanisms of evolution?
A.) Why don’t the shorter neck giraffes feed on grasses and lower vegetation?
B.) How would the shorter necked giraffes in Lamarck’s theory survive to reproduce and pass on the “need” for longer necks if they were unable to reach food?
C.) Why won’t the taller necked giraffes in Darwin’s theory provide assistance to the shorter giraffes since they are the same species?
D.) Will the smaller giraffes be more adapted to hide from predators since they wouldn’t be visible from greater distances?
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