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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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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True or false. The speciation of ratites into different lineages including emus, cassowaries, ostrich, and kiwi, among others is a result of dispersal.
True or false. Dispersal or vicariance may possibly lead to isolation and further to separation of lineage from their ancestral lineage or speciation.
Which of the following models, that attempt to explain human origins and dispersal, no longer is supported due to current information supplied by genetic evidence? In other words, which model has been thrown out while the other two are still being debated?
Group of answer choices
multiregional model
partial replacement model
complete replacement model
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
- 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_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_forwardConsidering the human dispersal pattern. given what you knw about the founder effect, would you expect populations native to south america to be more or less genetically diverse than those native to asia? explain your reasoning.arrow_forward
- Provide three biological reasons why sycamore aphid numbers and distributions may differ between leaves on the same tree?arrow_forwardHow does continental-drift theory help to explain the disjunct distri-bution of marsupial mammals in Australia and South America?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?arrow_forward
- Differentiate between allopatric speciation by dispersaland by vicariance, and give an example of each.arrow_forwardExplain the answer in detail and also include why and how congo lions are distributed (Clumped distribution or uniform distribution?) in a particular way?arrow_forwardExplain the difference in behaviors of temporally isolated species when it comes to Allopatric vs Sympatric speciation.arrow_forward
- Which type of event is likely to initiate speciation where a mountain range or land bridge forms? • parapatry • sympatry•dispersal• vicariancearrow_forwardSince different species of penguin may occupy the same habitat, explain why they may continue to remain separate species.arrow_forwardWhat is the relationship between the concept of reproductive and geographical isolation and the concept of species? Illustrate and give concrete examples.arrow_forward
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