Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 22, Problem 2TYU
Males of different species of the fruit fly Drosophila that live in the same parts of the Hawaiian Islands have different elaborate courtship rituals. These rituals involve fighting other males and making stylized movements that attract females. What type of reproductive isolation does this represent?
- A. habitat isolation
- B. temporal isolation
- C. behavioral isolation
- D. gametic isolation
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What is the isolation-by-distance model?
A. The genetic similarity between groups will decrease as the geographic distance between them decreases.
B. The genetic difference between groups will decrease as the geographic distance between them increases.
C. The genetic similarity between groups will increase as the geographic distance between them increases.
D. The genetic similarity between groups will decrease as the geographic distance between them increases.
Which of the following would be a good example of premating reproductive isolation?
A. Cross-fertilizations between the gray treefrogs, Hyla versicolor and H. chrysoscelis result in a high degree of mortality prior to hatching of hybrid eggs.
B. The mule, a hybrid between horses and donkeys is viable, but sterile.
C. Males of H. versicolor produce an advertisement call with a much slower pulse rate than males of H. chrysoscelis and females use pulse rate differences to avoid mating with the wrong species.
D. Hybrid offspring are produced from matings between leopard frogs and green frogs, but usually die before the tadpoles metamorphose into froglets.
Which of the following is an example of postzygotic reproductive isolation?a. Sperm of species A dies in the oviduct of species B before fertilization can take place.b. Hybrid zygotes between species A and B are spontaneously aborted early indevelopment.c. The mating seasons of species A and B do not overlap.d. Males of species A are not attracted to the pheromones produced by the females ofspecies B.
Chapter 22 Solutions
Campbell Biology in Focus
Ch. 22.1 - Prob. 1CCCh. 22.1 - WHAT IF? Suppose you are studying two bird species...Ch. 22.2 - Contrast allopatric and sympatric speciation....Ch. 22.2 - WHAT IF? Is allopatric speciation more likely to...Ch. 22.2 - MAKE CONNECTIONS Review the process of meiosis in...Ch. 22.3 - What are hybrid zones, and why can they be viewed...Ch. 22.3 - WHAT IF? Consider two species that diverged while...Ch. 22.4 - Speciation can occur rapidly between diverging...Ch. 22.4 - Summarize evidence that the yup flower-color locus...Ch. 22.4 - MAKE CONNECTIONS Compare Figure 10.11 with Figure...
Ch. 22 - The largest unit within which gene flow can...Ch. 22 - Males of different species of the fruit fly...Ch. 22 - According to the punctuated equilibria model, A....Ch. 22 - Bird guides once listed the myrtle warbler and...Ch. 22 - Which of the following factors would not...Ch. 22 - Plant species A has a diploid number of 12. Plant...Ch. 22 - SCIENCE, TECHNOLOGY, AND SOCIETY In the United...Ch. 22 - SCIENTIFIC INQUIRY DRAW IT In this chapter, you...Ch. 22 - FOCUS ON EVOLUTION Explain the biological basis...Ch. 22 - FOCUS ON INFORMATION In sexually reproducing...Ch. 22 - Suppose that females of one population of straw-...
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- A population of lizards colonizes a region and feeds on small arthropod species. Over time, a small group within the population starts eating different types of worms. Over time, this group develops inherited traits that help them catch, eat, and digest the worms. The two lizard groups share the same habitat but no longer recognize each other’s mating calls. What does this scenario best describe? A. speciation without geographic isolation B. natural selection without speciation C. increased genetic variation without speciation D. decreased genetic variation with geographic isolationarrow_forwardFireflies have a unique lighting pattern. The frequency of lighting is species-specific. Fireflies in the same area will not mate with those having a different lighting frequency. What type of Isolation is this and why?arrow_forwardSuppose that in wasps, brown wings are dominant to white wings, and 40% of all wasps in a population you’ve sampled have white wings. a. What percentage of the wasps is heterozygous?b. What percentage of the wasps is homozygous dominant?arrow_forward
- Gene interactions can be affected by factors other than other genes. The type of gene interaction depicted in the changing coat color of Canadian Snowshoe hare in the picture below is known as_? a. Linear interaction b. Internal interaction c. External interaction d. Epistatic interactionarrow_forwardAssume you are studying two species of lizard that occur in sympatry. In allopatry, Lizard Species A is dark brown but in sympatry is black in color. In allopatry, Lizard Species B is brown but in sympatry is light brown. This example is best described as which of the following? a. Postzygotic Isolation b. Character displacement c. Sympatric speciation d. Genetic incompatibility e. Hybridizationarrow_forwardA population of frogs have two subgroups. One group has developed a mating season in April. The other only mates in May. Which type of isolation is this?arrow_forward
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