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 8TYK
Prezygotic barriers to reproduction between related species are often strengthened within hybrid zones. This phenomenon is called
- a. reinforcement.
- b. sexual selection.
- c.
resource partitioning. - d. habitat differentiation.
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Students have asked these similar questions
Which of the following terms best describes the biological scenario where species that look similar in allopatry look different in sympatry?
a.
Character displacement
b.
Tempo
c.
Fusion
d.
Post-zygotic barriers
In a hybrid zone, reinforcement often prevents which of the following?
a.
Fusion
b.
Incipient species
c.
Secondary contact
d.
Hybrid infertility
Gene flow depends on
a. migration.
b. the ability of migrant alleles to be passed to subsequent generations.
c. genetic drift.
d. both a and b.
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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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
- 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.arrow_forwardWhich of the following traits does not describe a r-selected species? A. rapid development B. low parental investment C. high reproductive rates D. short life spans E. late maturationarrow_forwardIf reinforcement is weak and hybrids are not completely infertile, a. genetic divergence between populations may be overcome by gene flow. b. speciation will occur 100% of the time. c. gene flow between populations will be impossible. d. the speciation will be more likely than if hybrids were completely infertile.arrow_forward
- In dioecious plants, males usually produce larger flowers that attract more pollinators than do females. This is an example of a. character displacement b. sexual selection through female choice c. sexual selection through male-male competition d. divergence in resource use e. a cost of reproductionarrow_forwardIntraspecific competition reduces allelic diversity by Select one: a. relieving predator pressure on the prey population b. allowing K-selected species to have a selective advantage over r-selected species c. creating a competitive advantage to certain alleles d. allowing two different species occupying the same niche to compete for resourcesarrow_forwardGene flow occurs a. when individuals within a population interbreed. b. as a result of genetic drift. c. as a result of mutations in one population but not in another. d. when an individual migrates between two otherwise isolated populations of a species.arrow_forward
- Which statement about prezygotic barriers is false? A.They can arise from the evolution of the structure of sexual organs. B.They can arise from the specific interaction of plants with insect pollinators. C.They can arise from mate selection behaviors. D.They can arise from low fertility of hybrids.arrow_forwardWhat condition(s) is/are necessary for the development of both antagonistic and mutualistic coevolutionary relationships?A. Intimate pairwise interactions with one or more species.B. The agents of selection that are relevant to the populations must evolve.C. Frequency-dependent selection.D. All of the above are necessary for the development of coevolutionary relationships.arrow_forwardWhich of the following are post-zygotic reproductive barriers?a. Different mating songs prevent mate recognitionb. Species A breeds in Spring, Species B breeds in summerc. Species A and B mate, but the embryos die before hatchingd. The gametes of species A aren’t compatible with the gametes of species Be. Species A and B can mate and produce healthy offspring, but the offspring are infertilearrow_forward
- Problems with the biological species concept include the fact that a. many species reproduce asexually. b. postzygotic isolating mechanisms decrease hybrid viability. c. prezygotic isolating mechanisms are extremely rare. d. All of the choices are correct.arrow_forwardWhich of the following statements does not support the conclusion that giraffes are k-selected species? a. Giraffes are approximately 6’ tall and weigh 150 lbs at birth. b. Wild giraffes begin mating at 6-7 years of age. c. Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth. d. Giraffes rarely give birth to twins.arrow_forwardSpeciation: A. is a process by which populations of one species diverge genetically and which produces one or more new species B. is the result of minor extinction events C. only results from interspecific hybridization D. is completed when two different species are able to interbreed E. always takes millions of yearsarrow_forward
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