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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Chapter 24, Problem 12TYK
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What is Sympatric speciation?
A) When a population is separated from the main group by a barrier and becomes a new species
B) When a population mutates into a new species
C) When a population develops into a new species without any physical barriers to isolate them
What is Allopatric speciation?
A) When a population is separated from the main group by a barrier and becomes a new species
B) When a population mutates into a new species
C) When a population develops into a new species without any physical barriers to isolate them
Assume you are studying two species of lizard that occur in sympatry. In allopatry, Lizard Species A is dark brown but in sympatry is black in color. In allopatry, Lizard Species B is brown but in sympatry is light brown. This example is best described as which of the following?
a.
Postzygotic Isolation
b.
Character displacement
c.
Sympatric speciation
d.
Genetic incompatibility
e.
Hybridization
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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- If 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_forwardIn which situation will populations experience gene flow? A)hybridization between two populations of ground beetles B)natural-selection pressures between two populations of dragonflies C)mate competition between two populations of red-legged grasshoppers D)intersecting migration routes between two populations of monarch butterfliesarrow_forwardWhat is the ecological definition of a species? A) A group of individuals that can breed and produce viable offspring B) A group of interbreeding individuals that share the same environment C) A group of individuals that share a common ancestorarrow_forward
- These two meadowlarks are two separate species, the eastern meadowlark (Sturnella magna) and the western meadowlark (Sturnella neglecta). Although they look very similar and have similar habitats, they are considered different species because Group of answer choices A. the two do not normally interbreed. B. they have different songs. C. they do not share the same habitat. D. their ranges do not overlap.arrow_forwardWhich of the following is a good description of Sympatric speciation? A. Speciation without geographic isolation B. Changes in sequence of DNA of an organism C. Speciation due to geographical isolation D. The change in the genetic characteristics of a population of organisms over timearrow_forwardSpeciation can occur when two populations of a species become separated from each other. What is the best explanation for why speciation occurs?arrow_forward
- The difference between sympatric and parapatric speciation is_______ . a. parapatric speciation occurs only in velvet walking worms b. sympatric speciation requires a barrier to gene flow c. the extent of overlap in range d.reproductive isolation does not occurarrow_forwardBiology Resource partitioning due to disruptive selection is more likely to cause speciation in: Group of answer choices D. peripatric populations than in sympatric populations. A. allopatric populations than in peripatric populations. C. sympatric populations than in allopatric populations. B. allopatric populations than in sympatric populationarrow_forwardWhich of the following is an example of sympatric speciation? Group of answer choices a. birds moving to the far side of a mountain range b. squirrel populations on opposite sides of the Grand Canyon c. insects moving to new host plant species d. fish in two different lakesarrow_forward
- Which of the following could result in allopatric speciation? A. Two populations of a species are separated by a river that they are unable to cross. B. Two populations of a species are separated by a field that is too dry during the summertime. C. One group within a population mates during the evenings and another during the mornings. D. One group within a population develops a new mating ritual that is not recognized by the other.arrow_forwardThe first step leading to allopatric speciation is (a) hybrid inviability (b) hybrid breakdown (c) adaptive radiation (d) geographic isolation (e) paedomorphosisarrow_forwardA physical barrier separates a single species, causing two separate populations to form. Over time these two populations adapt to their environments. Eventually, these two populations are no longer able to successfully reproduce with each other. This is known as __________. A. Sympatric speciation B. Allopatric speciation C. Autopatric speciation D. Parapatric speciationarrow_forward
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