Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 24, Problem 5IQ
Use the following diagrams to explain the three possible outcomes for a hybrid zone over time.
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Chapter 24 Solutions
Study Guide for Campbell Biology
Ch. 24 - Prob. 1IQCh. 24 - Fill in the following table to review three of the...Ch. 24 - a. A new plant species 8 forms by autopolyploidy...Ch. 24 - a. Differentiate between allopatric and sympatric...Ch. 24 - Use the following diagrams to explain the three...Ch. 24 - Prob. 6IQCh. 24 - Prob. 1SYKCh. 24 - Prob. 2SYKCh. 24 - What does the term punctuated equilibria describe?Ch. 24 - Prob. 1TYK
Ch. 24 - Prob. 2TYKCh. 24 - Prob. 3TYKCh. 24 - Which of the following is not a mechanism...Ch. 24 - Prob. 5TYKCh. 24 - Prob. 6TYKCh. 24 - Prob. 7TYKCh. 24 - Prezygotic barriers to reproduction between...Ch. 24 - A botanist identifies a new species of plant that...Ch. 24 - Which of the following would not contribute to...Ch. 24 - Morphological and genetic comparisons group 30...Ch. 24 - Prob. 12TYKCh. 24 - This chapter introduced several research studies...
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- State three possible reasons why species would have “clumped distribution” within their populations? Write two sentences for each reason.arrow_forwardExplain the role of gene flow in the biological species concept.arrow_forwardDescribe two mechanisms that can decrease gene flowin sympatric populations, thereby making sympatricspeciation more likely to occur.arrow_forward
- Which of the following would count as evidence that two populations are different species, according to the biological species concept?.arrow_forwardBASED ON THIS GRAPH: A small community that is heavily infested with mosquitoes was sprayed weekly with the insecticide DDT for several months. Daily counts providing information on mosquito population size are represented in the graph below. Provide a biological explanation for the changes in the mosquito population over time. Use the terms: insecticide resistance/resistant, natural selection, favorable trait, reproduce, mutation/sexual reproductionarrow_forwardbriefly explain why there is species variation?arrow_forward
- Choose the sentence that best relates to Translocation Group of answer choices A: A chromosomal mutation where genetic material is switched between two chromosomes B: the process of causing genetic drift through migration C: None of these answers are true D: when a predator acts as a selective agentarrow_forwardWhich of these outcomes are examples of reproductive isolation? Select all that apply. Individuals of different species are physically compatible and can engage in sex Hybrid individuals cannot produce offspring Hybrid individuals or their offspring have similar fitness to the original species Reproduction occurs at different times Mating occurs but fertilization does not occurarrow_forwardOver time, enough genetic variations can develop within a population to cause it to undergo speciation. Identify the various mechanisms that will prevent different species from being able to reproduce successfully. Which of these mechanisms is the most influential in keeping species sperate?arrow_forward
- Describe how dispersal between populations can affect gene flow.arrow_forwardGive an example of each of the following evolutionary forces: mutation, natural selection, genetic drift, gene flow, and nonrandom mating.arrow_forwardDefine allopatric speciation and provide a hypothetical situation through which it could occur.arrow_forward
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