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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Chapter 24, Problem 6TYK
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What pattern of speciation is illustrated by the development of the allopolyploid species?
A. allopatric speciation
B. sympatric speciation
C. cladopatric speciation
D. anapatric speciation
What is required for sympatric speciation to occur?
A. Continuous gene flow between different populations
B. Geographic separation of populations
C. Two populations that are different begin to reproduce and create hybrids
D. Emergence of a reproductive barrier
Which variable increases the likelihood of allopatric speciation taking place more quickly? a. lower rate of mutation b. longer distance between divided groups c. increased instances of hybrid formation d. equivalent numbers of individuals in each population
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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- Which best describes a branch point in a phylogenetic tree? a. a hypothesis b. new lineage c. hybridization d. a matingarrow_forwardWhich of the forces is the ONLY way that new genetic diversity can be produced in a species? A. Mutation B. Gene Flow C. Natural Selection D. Genetic Driftarrow_forwardSecondary contact after divergence rarely results in? A. creation of a hybrid zone B. formation of a new species C. the rapid decline of both populations D. extinction of one populationarrow_forward
- Which process in a hybrid zone increases the likelihood of speciation? A. stability – when a hybrid zone remains the same B. reinforcement – when a hybrid zone widens and fewer hybrids are formed C. convergence – when a hybrid zone narrows and more hybrids are formed D. fusion – when a hybrid zone disappears and separate species fuse into onearrow_forwardwhat has to happen successfully for evolution by natural selection to take place? a. Mutation b. Reproduction c. Migration d. Genetic driftarrow_forwardWhich condition is the basis for a species to be reproductively isolated from other members? a. It does not share its habitat with related species. b. It does not exist out of a single habitat. c. It does not exchange genetic information with other species. d. It does not undergo evolutionary changes for a significant period of time.arrow_forward
- Which term can most accurately be used to describe evolutionary change that leads to speciation? A. microevolution b. macroevolution c. sexual selection d. natural selection e. reproductive isolationarrow_forwardWhich claim about natural selection is not true? A. Directional selection decreases genetic diversity within a population B. Balancing selection (heterozygote advantage) maintains genetic diversity within a population C. Negative Frequency-Dependent selection maintains genetic diversity within a population D. Natural Selection always has a greater evolutionary effect in small populations than it does in large populationsarrow_forwardWhich reproductive combination produces hybrids? a. when individuals of the same species in different geographical areas reproduce b. when any two individuals sharing the same habitat reproduce c. when members of closely related species reproduce d. when offspring of the same parents reproducearrow_forward
- Which is required for a population to evolve?a. genetic diversity c. gene flowb. selection pressure d. none of the abovearrow_forwardHow are species defined by the biological species concept? A. Populations of different species are not in the same small monophyletic group B. Individuals of different species cannot produce successful offspring C. Individuals of different species avoid inbreeding D. Individuals of different species have dissimilar morphologies O E. Individuals of different species hybridize and produce offspring that have high fitnessarrow_forwardWhat is an example of neutral evolution in humans? A. Eye Color B. Humans do not have any traits that undergo neutral evolution C. Skin Color D. Blood Typesarrow_forward
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