Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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In the model shown below, discuss what kind of geographic barriers would have led to the finch speciation in the Galapag
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- Which of the following is not an event that can contribute to allopatric speciation? a. A mountain range forms and splits two populations into populations that begin to turn into new species. b. A subset of individuals disperse to a far away island and begin to turn into a new species. c. Two populations breed in the same location but at different times, and therefore begin to turn into two new species. d. A river splits a population into two populations and the two populations begin to diverge on either side of the river. e. All of these are potential contributors to allopatric speciation.arrow_forwardDraw a system of two or more populations and illustrate an evolutionary mechanism with a species of your choice. Invent relevant genetic data and perform a calculation that tests for Hardy - Weinberg equilibrium in your system. Be sure to define a hypothesis and make a conclusion using quantitative data (e.g., using the chi squared test).arrow_forwardBriefly explain, using a concrete example, how allopatric speciation can lead to the appearance of a new speciesarrow_forward
- Explain Measuring the heritability of bill depth in populations of Darwin’s finches?arrow_forwardExplain the difference in behaviors of temporally isolated species when it comes to Allopatric vs Sympatric speciation.arrow_forwardUsing the pictures with the data, answer this question. 1. This natural selection process would not necessarily result in the formation of new species of moth. Briefly describe what conditions are required to increase the likelihood that the white and black moths would become 2 completely different species.arrow_forward
- Suppose that females of one population of strawberry poisondart frogs (Dendrobates pumilio) prefer to mate with males thatare orange-red in color. In a different population, females prefermales with yellow skin. Explain how such differences could ariseand how they could affect the evolution of reproductive isolation in allopatric versus sympatric populations.arrow_forwardSuppose you have four species of lizard and you are interested in how leg length will change in a single generation of evolution under directional selection. Given the following parameters, which lizard do you predict will change the most in one generation? Species A: Heritability: 0.5, selection differential: 1.2 Species B: Heritability: 0.4, selection differential: -1.9 Species C: Heritability: 0.9, selection differential: -0.67 Species D: Heritability: 0.1, selection differential 3.2 Species A Species B Species C Species Darrow_forwardVicariance describes a fundamental process preventing gene flow which is part of Select one: a. sympatric speciation b. parapatric speciation c. allopatric speciationarrow_forward
- Climate change and glacial advances during the Pleistocene ice age (2.6 million to 11,700 years ago) split the ranges of several North American bird species into western and eastern populations. The western and eastern populations eventually diverged into two species. What is this an example of? A. Allopatric speciation following dispersal B. Allopatric speciation via vicariance C. Sympatric speciation due to balancing selection D. Sympatric speciation via autopolyploidy E. Sympatric speciation via allopolyploidyarrow_forwardWhich of the following would result in allopatric speciation by dispersal? A. A river separating a previously contiguous population of salamanders B. A receding water table separating a population of frogs into two separate wetlands C. Finches colonizing an island exposed by water level changes in a reservoir D. A population of trees being split in two by an advancing glacierarrow_forward
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