Campbell Biology, Bio 101
18th Edition
ISBN: 9781323741665
Author: Reece
Publisher: Pearson Education
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Chapter 24.2, Problem 3CC
WHAT IF? Ø Is allopatric
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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.
A. What kind of speciation do we normally associate with members from one population being geographically displaced to a new, smaller population? Geospiza scandens
B. What kind of speciation do we normally associate with members of a population that become ecologically, genetically or behaviorally distinct within that population such that they become reproductively isolated?
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Chapter 24 Solutions
Campbell Biology, Bio 101
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 - MAKE CONNECTIONS Compare Figure 13.12 with Figure...Ch. 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 - WRITE ABOUT A THEME: INFORMATION In sexually...Ch. 24 - Prob. 10TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Is 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_forwardYou have to calculate the divergence time of two species based on nucleotides from one gene. In a sequence of 1000 nucleotides, 44 nucleotides differ between the two species. The rate of divergence is 1.1 X 10-3 per base pair per million years. How many million years have passed since these two species split?arrow_forwardWhat 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_forward
- 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?arrow_forwardHow does one species diverge from another? (When do we call a group a new species—and how does that process happen?) Using anole lizards or another very specific example(s), compare and contrast microevolutionary processes with speciation. As you discuss speciation, be sure to compare and contrast sympatric speciation with allopatric speciation and say whether the example you’ve chosen is allopatric or sympatric.arrow_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
- Some females seem to prefer the blue color and some females seem to prefer yellow color. If this a diversifying/ disruptive selection, how could diversifying/disruptive selection result in sympatric speciation in this example?arrow_forwardMultiple choice quection. 1. Choose the correct option from the below sentence and also provide the explanation of each option given geographicaly overlapping populations that produce hybrid offspring with low relative fitness may be undergoing a. clinal isolation b. sympatric speciation c. allopatric speciation d. reinforceent e. geographical isolation 2. If two species of holly (genus ilex ) flower during different months their gene pools may be kept seprated by a. mechanical isolation b. ecological isolation c. gametic isolation d. temporal isolation e. behavioral isolationarrow_forwardSympatric speciation by allotetraploidy has been proposed as acommon mechanism for speciation. Let’s suppose you were interestedin the origin of certain grass species in southern California.Experimentally, how would you go about determining if some ofthe grass species are the result of allotetraploidy?arrow_forward
- Give typed full explanation Over millions of year, a desert develops along the edge of a densely forested area (desert is adjacent to the forest). This would most likely have resulted in what kind of geographic-based speciation? Select the answers that best fits. a. transdimensional speciation b. parapatric speciation c. allopatric speciation d. None of the other answers fit. e. sympatric speciationarrow_forwardIf the two populations in question 2 are determined to still be the same species, did allopatric speciation occur?arrow_forwardA) 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_forward
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