BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 14, Problem 3WIO
Summary Introduction
To determine:
The type of
Introduction:
Speciation is the process of forming new species, and it occurs when groups in a species become diverged and reproductively isolated. In this process, an ancestral species splits into two or more successive species that are genetically different from one another and can no more interbreed.
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Why does sympatric speciation via allopolyploidy occur?
A. When disruptive selection and assortative mating act contemporaneously (during the same time)
B. When strong prezygotic isolation prevents hybridization between two species
C. When meiotic error in a single species results in unreduced gametes that can self-fertilize
D. When individuals of two species mate and their offspring are sterile but eventually produce unreduced gametes that self-fertilize
O E. When geographic isolation and natural selection occur contemporaneously
What is Speciation? Mention the factors could lead to the rise of a new species.
which statement is false?
1)In the context of the evolution of senescence, the aphorism "live fast and die young" means that organisms with a more risky behavior will have a shorter life span.
2)Allopatric speciation is a type of speciation process that takes place in different geographic locations.
Chapter 14 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 14.1 - How are macroevolution and microevolution related?Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Write a real or fictitious example other than...Ch. 14.3 - Prob. 1MCCh. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Prob. 1MCCh. 14.4 - Prob. 2MC
Ch. 14.5 - Prob. 1MCCh. 14.5 - Prob. 2MCCh. 14.5 - Prob. 3MCCh. 14.6 - Describe the taxonomic hierarchy.Ch. 14.6 - What are the strengths of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14 - Macroevolution is distinct from microevolution in...Ch. 14 - The biological species concept defines species...Ch. 14 - A mule is the offspring of a male donkey and a...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - Prob. 7MCQCh. 14 - Prob. 8MCQCh. 14 - Prob. 9MCQCh. 14 - Prob. 10MCQCh. 14 - How has the meaning of the term species changed...Ch. 14 - What type of reproductive barrier applies to each...Ch. 14 - Prob. 3WIOCh. 14 - Polyploidy is a common mechanism of speciation in...Ch. 14 - How does natural selection predict a gradualistic...Ch. 14 - Prob. 6WIOCh. 14 - Examine the cladogram in figure 14.17 and answer...Ch. 14 - Prob. 8WIOCh. 14 - Prob. 9WIOCh. 14 - Prob. 1SLCh. 14 - Prob. 1PITCh. 14 - Prob. 2PITCh. 14 - Prob. 3PIT
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- What type of geographic barriers could have led to the speciation of finch in the Galápagos Islands?arrow_forwardThe data presented in Part D shows the results of artificial selection for hairy Wisconsin Fast Plants. Identify the null hypothesis for this investigation? A. If the mean number of trichomes is greater in the second generation than in the parent population, then selection has occurred. B. There will be no difference between the mean number of trichomes in the second generation compared to the parent population. C. As a result of selection, the mean number of trichomes will be greater in the second generation. D. If plants with the most trichomes in the first generation are selected as parents, then the second generation will have more trichomes.arrow_forwardWhat is speciation continuum?arrow_forward
- Name the phenomenon by which rapid speciation takes place?arrow_forwardCompare the forms of speciation that are slow to those that occur more rapidly. Make a list of the slow and fast forms. With regard to mechanisms of genetic change, what features do slow and rapid speciation have in common? What features are different?arrow_forwardIf two groups of mice live on opposite sides of a river, they are two separate species. What two processes must have occurred in order for them to have become separate species?arrow_forward
- How do these similarities and differences relate to the evolutionary relationships between these species?arrow_forwardDoes this figure illustrate a strength or a drawback of using morphological traits to establish species?arrow_forwardWhy is Charophytes located at the bottom of the Cladogram?arrow_forward
- Write a short essay describing the roles ofmutation, migration, and selection in bringing about speciation.arrow_forwardWhich group is the most ancestral? Blank 1arrow_forwardSimberloff also introduces J. Baird Callicott’s perspective. What does Callicott say about Leopold’s view of nonnative species?arrow_forward
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