EBK CAMPBELL BIOLOGY
10th Edition
ISBN: 9780136539414
Author: Reece
Publisher: VST
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Textbook Question
Chapter 24.2, Problem 3CC
WHAT IF? Ø Is allopatric
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-Define Haldane’s rule
-Define allopatric speciation
- Define sympatric speciation
-Define parapatric speciation
- How does hermaphroditism allow reproductive assurance?..
Is allopatric speciation more likely to occur on an island close to the mainland or on a more isolated island of the same size? Justify your prediction.
1. What is speciation?
2. What is a “hybrid zone”?
3. What postzygotic barriers are often found in hybrid zones that result in a lack of species fusion?
4. What are the differences among the three possible outcomes for hybrids over time: reinforcement, fusion, and stability?
Chapter 24 Solutions
EBK CAMPBELL BIOLOGY
Ch. 24.1 - Prob. 1CCCh. 24.1 - WHAT IF? Suppose two bird species live in a...Ch. 24.2 - Summarize key differences between allopatric and...Ch. 24.2 - Prob. 2CCCh. 24.2 - WHAT IF? Is allopatric speciation more likely to...Ch. 24.2 - MAKE CONNECTIONS Review the process of meiosis in...Ch. 24.3 - 1. What are hybrid zones, and why can they be...Ch. 24.3 - WHAT IF? Consider two species that diverged while...Ch. 24.4 - Speciation can occur rapidly between diverging...Ch. 24.4 - Prob. 2CC
Ch. 24.4 - Prob. 3CCCh. 24 - Explain the role of gene flow in the biological...Ch. 24 - Can factors that cause sympatric speciation also...Ch. 24 - What factors can support the long-term stability...Ch. 24 - Is speciation something that happened only in the...Ch. 24 - The largest unit within which gene flow can...Ch. 24 - Prob. 2TYUCh. 24 - Prob. 3TYUCh. 24 - Prob. 4TYUCh. 24 - Which of the following factors would not...Ch. 24 - Plant species A has a diploid chromosome number of...Ch. 24 - Prob. 7TYUCh. 24 - SCIENTIFIC INQUIRY DRAW IT In this chapter, you...Ch. 24 - Prob. 9TYUCh. 24 - Prob. 10TYUCh. 24 - WRITE ABOUT A THEME: INFORMATION In sexually...Ch. 24 - Prob. 12TYU
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- A) Differentiate allopatric speciation and sympatricspeciation. Which type of speciation is more common andwhy? B) Is allopatric speciation more likely to occur inDumaran Island close to the main island of Palawan oron a more isolated island which is Culion Island of almostthe same size? Explain your prediction.arrow_forwardSpeciation can take place with or without geographic separation, discuss these two ways. | Cite examples of the different types.arrow_forwardTHIS QUESTION WILL SHOW UP ON YOUR EXAM E: Let's talk about speciation! 1. What is the definition of a species? 2. Is the creation of a new species a type of micro-evolution or macro-evolution? 3. Describe 2 prezygotic barriers that can lead to speciation. For each barrier, include an example (these can be real or made up) and identify if this barrier is allopatric or sympatric.arrow_forward
- What are the most common mechanisms of sympatric speciation and in which major group of organisms does this happen most often? Disti nguish between sympatric and allopatric and parapat r ic speciation. Which is considered the (far) more common mechanism of species formation? What does "gene flow" between populations do?arrow_forwarda) How many of the gene trees do you expect to look like the species tree? b) You observe three gene trees in which species X and Z are the closest relatives and seven gene trees where X and Y are the closest relatives. What can you conclude from these data? Group of answer choices Historical hybridization between species W and X Historical hybridization between species X and Y Historical hybridization between species X and Z Historical hybridization between species Y and Zarrow_forwardWhat are the most common mechanism of sympatric speciation and I which major organism does this happen most often? Distinguish between sympatric and allopatric and parapatric speciation.which is considered the far more common mechanism of species formation?what does gene flow between population do?arrow_forward
- What are examples for gene flow? Select all that apply A distinct population of iguana drift to a new island that is already inhabited by members of the same species. A small population of humans colonizes a newly formed island. A fire drastically reduces the size of a white-tailed deer population. The remaining individuals spread out throughout the remaining forest. Wind blows pollen from one population of plants to another and cross-fertilization occurs. n An earthquake results in the formation of a canyon, splitting a population of toads apart.arrow_forwardIs allopatric speciation more likely to occur on an island close to a mainland or on a more isolated island of the same size? Explain your prediction.arrow_forwardWhat are the most common mechanisms of symptoms speciation and in which major ground of organisms does this happen most often? Distinguish between sympatric and allopatric and parapatric speciation. What is considered the (far) more common mechanism of species formation? What does "gene flow " between populations do?arrow_forward
- How is sympatric speciation different from allopatric speciation? Group of answer choices Allopatric speciation requires a geographic barrier, while sympatric speciation occurs in one place Allopatric speciation results in hybrids, while sympatric speciation does not Allopatric speciation is a result of behavioral isolation, while sympatric speciation is a result of habitat isolation Allopatric speciation occurs in one place, while sympatric speciation requires a geographic barrierarrow_forwardIs allopatric speciation more likely to occur on an island close to the mainland or on a more isolated island of the same size? Explain.arrow_forwardCan speciation occur without complete physical separation of populations?arrow_forward
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