Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 20.4, Problem 5LO
Summary Introduction
To explain: The pace of evolution by describing punctuated equilibrium and phyletic gradualism.
Introduction: Inheritance is the basis of evolution. The process of formation of new and distinct descendants from a common ancestor is termed as
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Discuss the pace of evolution by describing punctuated equilibriumand phyletic gradualism.
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Chapter 20 Solutions
Biology (MindTap Course List)
Ch. 20.1 - Describe the biological species concept and list...Ch. 20.1 - Prob. 1CCh. 20.1 - Prob. 2CCh. 20.1 - Prob. 3CCh. 20.2 - Explain the significance of reproductive isolating...Ch. 20.2 - What barriers prevent wood frogs and leopard frogs...Ch. 20.2 - How is temporal isolation different from...Ch. 20.2 - Prob. 3CCh. 20.2 - Of which postzygotic barrier is the mule an...Ch. 20.3 - Prob. 3LO
Ch. 20.3 - Explain the mechanisms of sympatric speciation and...Ch. 20.3 - What are five geographic barriers that might lead...Ch. 20.3 - Prob. 2CCh. 20.3 - Prob. 3CCh. 20.4 - Prob. 5LOCh. 20.4 - Prob. 1CCh. 20.5 - Define macroevolution.Ch. 20.5 - Discuss macroevolution in the context of novel...Ch. 20.5 - Prob. 8LOCh. 20.5 - Why are evolutionary novelties important to...Ch. 20.5 - Prob. 2CCh. 20.5 - Prob. 3CCh. 20.5 - What is the relationship between mass extinction...Ch. 20 - A prezygotic barrier prevents (a) the union of egg...Ch. 20 - The reproductive isolating mechanism in which two...Ch. 20 - Interspecific hybrids, if they survive, are (a)...Ch. 20 - The first step leading to allopatric speciation is...Ch. 20 - The pupfishes in the Death Valley region are an...Ch. 20 - Which of the following evolutionary processes is...Ch. 20 - According to the punctuated equilibrium model, (a)...Ch. 20 - The evolutionary conversion of reptilian scales...Ch. 20 - Adaptive radiation is common following a period of...Ch. 20 - The Hawaiian silverswords are an excellent example...Ch. 20 - VISUALIZE Use two different colors to depict the...Ch. 20 - Prob. 12TYUCh. 20 - EVOLUTION LINK Could hawthorn and apple maggot...Ch. 20 - Prob. 14TYUCh. 20 - EVOLUTION LINK Examine Figure 20-2c and predict...
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- Define the term unikont and explain the current taxonomic interpretation of where unikonts arose on the phylogenetic tree of lifearrow_forwardCan we use biogeographic evidence to support evolution without using fossil evidence? Give examplesarrow_forwardPractice bio question: Define the term unikont and explain the current taxonomic interpretation of where unikonts arose on the phylogenetic tree of life.arrow_forward
- Macroevolution Please give examples; How is this studiedarrow_forwardWhat is meant by the term “intermediate fossil” when referring to the fossil record?arrow_forwardexplain how genetic information along with an understanding of the process of descent with modification enables scientists to reconstruct phylogenies that extend hundreds of millions of years back in time.arrow_forward
- Explain how convergent evolution can contribute to adaptive radiationarrow_forwardExplain how the broad evolutionary changes seen in the fossil recordare the cumulative result of speciation and extinction events.arrow_forwardIdentification of different paleospecies in the fossil record: Group of answer choices: all of the options are true is easily established using reproductive isolation as a criterion for distinguishing one species from another. is facilitated by the understanding that most fossil species are ancestral to living (extant) species. is profoundly affected by assumptions of the amount of variation within species.arrow_forward
- Distinguish between convergent and divergent evolution giving one example of each.arrow_forwardCompare and contrast convergent evolution and evolution by common descent, and give an example of each.arrow_forwardWhat does the trunk of the classic phylogenetic tree represent? a. single common ancestor b. pool of ancestral organisms c. new species d. old speciesarrow_forward
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From Sea to Changing Sea | Early Life in the Oceans || Radcliffe Institute; Author: Harvard University;https://www.youtube.com/watch?v=Ac0TmDf5Feo;License: Standard youtube license