Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433776
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Chapter 19, Problem 2TYU
Which of the following observations helped Darwin shape his concept of descent with modification?
- A. Species diversity declines farther from the equator.
- B. Fewer species live on islands than on the nearest continents.
- C. Birds live on islands located farther from the mainland than the birds' maximum nonstop flight distance.
- D. South American temperate plants are more similar to the tropical plants of South America than to the temperate plants of Europe.
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Which of the following observations helped Darwin shape hisconcept of descent with modification?(A) Species diversity declines farther from the equator.(B) Fewer species live on islands than on the nearestcontinents.(C) Birds live on islands located farther from the mainlandthan the birds’ maximum nonstop flight distance.(D) South American temperate plants are more similar to thetropical plants of South America than to the temperateplants of Europe.
Ancestral wild wheat varieties have a trait where seed heads shatter when ripe, allowing easier seed dispersal. When humans domesticated wheat, they selected for a mutation that reduced shattering so that harvesting the wheat seeds was easier. Use Darwin’s 3 principles of natural selection to compare how this trait evolved in wild wheat and was artificially selected for in domestic wheat.
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Chapter 19 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
Ch. 19.1 - How did Huttons and Lyells ideas influence Darwins...Ch. 19.1 - MAKE CONNECTIONS Scientific hypotheses must be...Ch. 19.2 - How does the concept of descent with modification...Ch. 19.2 - Prob. 2CCCh. 19.2 - MAKE CONNECTIONS Review the relationship between...Ch. 19.3 - Explain how the following statement is inaccurate:...Ch. 19.3 - How does evolution account for (a) the similar...Ch. 19.3 - WHAT IF? Fossils show that dinosaurs originated...Ch. 19 - Which of the following is not an observation or...Ch. 19 - Which of the following observations helped Darwin...
Ch. 19 - Prob. 3TYUCh. 19 - The upper forelimbs of humans and bats have fairly...Ch. 19 - DNA sequences In many human genes are very similar...Ch. 19 - SCIENTIFIC INQUIRY DRAW IT Mosquitoes resistant to...Ch. 19 - FOCUS ON EVOLUTION Explain why anatomical and...Ch. 19 - FOCUS ON INTERACTIONS Write a short essay (about...Ch. 19 - SYNTHESIZE YOUR KNOWLEDGE This honeypot ant (genus...
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- Explain how Darwin’s finches and tortoises assisted him in developing the concept of Descent with Modification. What is the Biological Species Concept (what 3 characteristics define a species)?arrow_forwardDarwin's studies of Galapagos finches are well known in the study of evolution. These studies have been instrumental in helping us understand how new species evolved from pre-existing species. Which statement is true about the speciation of the Galapagos finches? Responses A The finches had different traits that influenced the environment in which they chose to live. The finches had different traits that influenced the environment in which they chose to live. - no response given B The finches evolved traits to help them survive in different environments. The finches evolved traits to help them survive in different environments. - no response given C Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed. Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed. - no response given D Genetic…arrow_forwardWhich of the following is an example of Genetic drift? A. Red flowers with AA genotype evolve after a windstorm B. snakes that evolved to resisit toxins C. None of the above D. Finch beak shape change over time during droughtarrow_forward
- Of the trees in the diagram below, which one of the four trees depicts a different evolutionary history than the others? A. Tree a. B. Tree b. C. Tree c. D. Tree d.arrow_forwardDarwin utilized information from a variety of sources to support his theory of evolution. Which of the following disciplines did not contribute to Darwin's theory? a geology b geography c chemistry d paleontologyarrow_forwardWhat evidence did Darwin use to support his theory of evolution by natural selection? Describe three. a. b. c. What scientific evidence has been discovered since Darwin’s time that supports evolution by natural selection? List three a. b. c.arrow_forward
- What is the correct sequence for the organic evolution as proposed by Darwin and Wallace? A. Overproduction, constancy of population size, variations, natural selection. B. Variations, natural selection, overproduction, constancy of population size.. C. Overproduction, variations, constancy of population size, natural selection. D. Variations, constancy of population size, overproduction, natural selection.arrow_forwardWhat evidence convinced Darwin that species change over time?arrow_forwardHow can Darwin's evolutionary theory influence the following fields in modern times: a. Economy b. Agriculture c. Political Science d. Religionarrow_forward
- What did Darwin see in Galapagos that supported his ideas about the "origin of species"?arrow_forwardWhy do you suppose plants and forests appeared in large numbers before large animals did? Several of the choices may be correct. Select the options you expect to be the strongest contributing factors.Choose one or more: A.The increased oxygen levels produced by land plants accelerated animal evolution. B.Plants were driven to land by scarce resources in the oceans, such as light and minerals. C.Plants had to change less to survive on land. D.It was too cold for animals at first. E.There was not enough oxygen for lungs to be effective before plants colonized land. F.The order was pure chance and could have gone either way. G.Animals need food, and there was none on land before plants. H.Animals are more susceptible to radiation and needed more ozone in order to survive out of the water.arrow_forwardDefine uniformitarianism and briefly explain why evolution is a uniformitarian process.arrow_forward
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