Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Question
Chapter 37, Problem 2RQ
Summary Introduction
To determine: The meaning of the terms dispersal and vicariance and the difference between them based on disjunct distributions among animals.
Introduction: Vicariance and dispersal are the two factors that have contributed to the evolution of distinct distributional patterns in most organisms. The methods of vicariance biogeography play an important role in finding such cases.
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Check out a sample textbook solutionStudents have asked these similar questions
Choose True for yes and False for no, for each of the statements
1) The distribution of the two species-C populations cannot be explained by two totally independent dispersal events by the common ancestor species of A and B.
True or false
2) B must share a more recent common ancestor with C1 than it does with C2.
True or false
A species that has a high rate of
long-distance dispersal is more likely
to colonize new habitat. But that
species may also be less likely to
adapt to local conditions, because
migration will be stronger than local
selection pressures for many loci. in
light of those considerations, when
do you expect that increasing
dispersal might result in the evolution
of a larger geographic range, and
when might it not?
Your answer
Describe and give example of Temporal in adaptation and speciation.
Chapter 37 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 37 - What are some reasons a species may be absent from...Ch. 37 - Prob. 2RQCh. 37 - Who first proposed the continental-drift theory?...Ch. 37 - Prob. 4RQCh. 37 - Prob. 5RQCh. 37 - What are the consequences of climatic cycles for...Ch. 37 - Prob. 7RQCh. 37 - Prob. 8RQCh. 37 - Prob. 9RQCh. 37 - Prob. 10RQ
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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
- What conditions must exist for frequencies to remain stable over multiple generations?arrow_forwardFor the species: Polyommatus eleniae Use this link : https://www.iucnredlist.org/species/173273/6983441 to answer the following What is known about the genus? Who discovered this species? When and where was your species first discovered? What makes your species a species (what is different about them, which character etc.)? What do we know about its distribution and habitat needs?arrow_forwardExplain the difference in behaviors of temporally isolated species when it comes to Allopatric vs Sympatric speciation.arrow_forward
- How come dispersal is still allopatric speciation? I was under the impression that a new geographical barrier would have to develop and separate a once-uniform species. Also, what's the difference between vicariance and allopatric speciation?arrow_forwardDoes dispersal occurrence necessarily mean that gene flow occurs?arrow_forwardDifferentiate between allopatric speciation by dispersaland by vicariance, and give an example of each.arrow_forward
- Compare and contrast the multiregional and replacement models for human origins in the table below. If you are struggling with this, see the PowerPoint on the origins and dispersal of modern humans and review the tutorial: https://www2.palomar.edu/anthro/homo2/mod_homo_4.htm Multiregional Model Replacement Main argument of this model Evidence that supports this model Based on the evidence, which model of human origins is best supported?arrow_forwardDiscuss how the distribution of a species can be affected both by its evolutionary history and by ecological factors. Could ongoing evolutionary change also affect its distribution? Explain.arrow_forwardThe heritability of an animal’s preference for different habitats or host plants might be high or low. How might heritability affect the likelihood of sympatric speciation by divergence in habitat or host preference?arrow_forward
- A population of rodents establishes itself in a habitat that has previously been colonized by its same species. Soon after, the construction of an engineering work causes habitat degradation, which causes the total population to slow down. As time passes, the degradation is greater.a) Formulate mathematically the variation of the population size N of the rodent population at time t, first for the situation described without engineering work and then for the scenario with engineering work. Define the necessary parameters for your model. b) Indicate the equilibrium values of the population N.c) By what time should the population be extinct?arrow_forwardIN AN ILLUSTRATIVE MANNER, GIVE EXAMPLES OF ORGANISMS OR INSTANCES WHEREIN REPRODUCTIVE ISOLATING MECHANISMS LEAD TO SPECIATION. IDENTIFY AT LEAST TWO (2) SPECIATION. BRIEFLY DESCRIBE EACH MECHANISM OF SPECIATION.arrow_forwardThink about the pattern of human dispersal. Given what you know about the founder effect, would you expect populations native to South America to be more or less genetically diverse than those native to North America?Explain your reasoningarrow_forward
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