Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 14.4, Problem 1MC
Describe the theories of gradualism and punctuated equilibrium. How can the fossil record support both?
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Describe the theories of gradualism and punctuated equilibrium. How can the fossil record support both?
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Chapter 14 Solutions
Biology: Concepts and Investigations
Ch. 14.1 - What is the relationship between macroevolution...Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Prob. 2MCCh. 14.3 - Distinguish among allopatric, parapatric, and...Ch. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Describe the theories of gradualism and punctuated...Ch. 14.4 - Prob. 2MC
Ch. 14.5 - Prob. 1MCCh. 14.5 - Prob. 2MCCh. 14.5 - Prob. 3MCCh. 14.6 - Describe the taxonomic hierarchy.Ch. 14.6 - What is the advantage of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14.6 - Prob. 4MCCh. 14.6 - How is a cladogram constructed?Ch. 14.6 - Prob. 6MCCh. 14.7 - Prob. 1MCCh. 14.7 - Prob. 2MCCh. 14 - The biological species concept defines species...Ch. 14 - Prob. 2MCQCh. 14 - A mountain range separates a population of...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - What type of reproductive barrier applies to each...Ch. 14 - Why do species become extinct? Choose a species...Ch. 14 - Prob. 3WIOCh. 14 - Which of the groups in figure 1.9 represent...Ch. 14 - On figure 14.20, circle a monophyletic group, a...Ch. 14 - Prob. 1PITCh. 14 - Add fertilization and offspring to this concept...Ch. 14 - Prob. 3PIT
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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
- Can we use biogeographic evidence to support evolution without using fossil evidence? Give examplesarrow_forwardWhat is meant by the term “intermediate fossil” when referring to the fossil record?arrow_forwardWhat is the significance of the process of speciation to change in population from generation to generation? Explain the meaning of the theory referred to as "survival of the fittest". Why are the concepts of adaptations, survival and extinction closely related?arrow_forward
- Differentiate between the gradualistic and punctuated equilibrium models of the rate of evolution.arrow_forwardWhy will the fossil record always be incomplete?arrow_forwardWhich of the following patterns of evolution is most supported by the fossil record? a. Descent with modification b. Hybrid speciation c. Stasis d. Punctuated disequilibriumarrow_forward
- Explain how the broad evolutionary changes seen in the fossil recordare the cumulative result of speciation and extinction events.arrow_forwardWhat conditions make it likely that a small group of closely related species will increase to a large number of species by means of rapid speciation?arrow_forwardReferring to the phylogeny below, which trait is the most ancestral? which trait is shared by species 4 and 3 but not 2?arrow_forward
- What are the five mass extinctions of the past and the current theory of the sixth mass extinction? For each extinctions, what caused the extinction and how was ecosystem stability impacted? Was there any speciation that occurred afterward?arrow_forwardCompare and contrast gradualism with punctuatedequilibrium.arrow_forwardWhat does the theory of punctuated equilibrium state about the occurrence of speciation throughout geological time? What observation led to this theory?arrow_forward
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