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 26, Problem 5TYK
Summary Introduction
Introduction: Different organisms possess same structural characteristics because they evolve from the same ancestor, but the function of these similar structures may vary in different organisms. Some organisms are distantly related that may have the similar or dissimilar structures, but these structures share the same functions and evolved independently. This type of evolution is called convergent evolution.
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Chapter 26 Solutions
Study Guide for Campbell Biology
Ch. 26 - a. In this hypothetical phylogenetic tree, which...Ch. 26 - What two complications may make it difficult to...Ch. 26 - Place the taxa (outgroup. A, B, C, and D) on the...Ch. 26 - Prob. 4IQCh. 26 - a. Give an example of genes that would be compared...Ch. 26 - Prob. 6IQCh. 26 - Prob. 7IQCh. 26 - Prob. 1SYKCh. 26 - Prob. 2SYKCh. 26 - Prob. 3SYK
Ch. 26 - Related families are grouped into the next-highest...Ch. 26 - Prob. 2TYKCh. 26 - Prob. 3TYKCh. 26 - Prob. 4TYKCh. 26 - Prob. 5TYKCh. 26 - Prob. 6TYKCh. 26 - Prob. 7TYKCh. 26 - Prob. 8TYKCh. 26 - A taxon such as the class Reptiliawhich includes...Ch. 26 - You wish to study evolutionary relationships among...Ch. 26 - Prob. 11TYKCh. 26 - Prob. 12TYKCh. 26 - Prob. 13TYKCh. 26 - Prob. 14TYKCh. 26 - Prob. 15TYKCh. 26 - Which of the following approaches would allow a...Ch. 26 - A comparative study of which of the following...Ch. 26 - Prob. 18TYKCh. 26 - Which of the following segments of DNA would...Ch. 26 - Which of the following is the best description of...Ch. 26 - Prob. 21TYK
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- Evolution is the theory that species change over time. According to this theory, new species form from existing species through variation and natural selection. The evolutionary process is very slow and the transformation of one species into another requires thousands of years. Several evidences are used to prove evolution and somehow reconstruct how this process occur: 1.Fossil Records. 2.Homologous Body Structures. 3.Vestigial structures. 4.Similarity of embryo. 5.Geographical evidencearrow_forwardWhich of the following statements is NOT true regarding segmentation? a. Segmentation allows the evolution of redundant systems. b. Segmentation is a requirement for a closed circulatory system. c. Segmentation enhances locomotion. d. Segmentation represents an example of convergent evolutionarrow_forwardResearchers have found fossils of Eocene horse species in Colorado. Deeper deposits contain smaller species, and more recent deposits contain larger species. How does this observation support the theory of evolution? A. It provides evidence that species change over time. B. It does not support the theory of evolution. C. It shows that all species are related to each other. D. It proves that environments have changed over time. E. It suggests that species are unchanging and of recent origin.arrow_forward
- Species can vary in several ways. Which of the following is one of Darwin’s ideas that was accepted by most scientists of his time due to the large number of fossils being discovered at that time? A. Species that live in seawater can also live on mountains. B. Species have specific adaptations to their local environment. C. Species vary around the world. D. Species change over long periods of time.arrow_forwardWhich of the following most likely demonstrates that classification is the basis of evolutionary relatedness? A. Organisms that share similar characteristics are impliedly understood to have common ancestors, thus having an evolutionary relationship. B. Classification is to organize organisms into groups based on their differences and similarities and evolutionary history, so as evolution changes, classification will also change C. Classification based on evolutionary relatedness always infer that all organisms that evolved similarly shares the same history. D. Homologous structures among organisms depicts the same evolutionary history or paths.arrow_forwardWhich of the following statements is false? a. Gradual speciation is most likely to occur in a large population that lives in a stable climate. b. Punctuated equilibrium is unlikely to occur in a large population that lives in a stable climate. c. Gradual speciation and punctuated equilibrium both result in the divergence of species. d. Gradual speciation is most likely to occur in a small population that experiences a rapid change in its environment.arrow_forward
- Adaptive radiations can be a direct consequence of three of the following four factors. Select the factor that is NOT a direct consequence of adaptive radiation. Select one: a. Genetic drift b. Vacant ecological niches (niches are environment "space" where a particular organism has resources required to survive and reproduce) c. New evolutionary innovations d. Colonization of a new region that contains suitable habitat and few competitor speciesarrow_forwardEvolutionary change caused by natural selection results in species witha. greater complexity.b. less complexity.c. greater reproductive success in their native environment.d. the ability to survive longer.arrow_forwardThe theory of evolution is most accurately described as Group of answer choices A. Nn opinion that some scientists hold about how life originated on Earth. B. An overarching explanation, supported by much evidence, for how populations change over time and new species arise from ancestral species. C. One possible explanation, among several scientific alternatives, about how species have come into existence. D. An educated guess about how species originate. E. An idea about how acquired characteristics are passed on to subsequent generations.arrow_forward
- An analysis of a phylogeny that displays data about the fossil record over time reveals all of the following EXCEPT A. Several extinction events occurred. B. Evolution results in a clear directional pattern. C. Evolution is the result of interactions between organisms and their environment. D. Evidence of continental drift exists.arrow_forwardEvolution results in an increase of organisms that are A. larger. B. more complex. C. better suited to the current environment. D. better able to adapt to changing environments.arrow_forwardWhich of the following is TRUE about a phylogenetic tree? It provides a drawing the reflects the proven relationships between living and extinct species. b It provides a hypothetical model of the relationships between extinct species. c It provides a hypothetical model of the relationships between living and extinct species. d It a diagram used by scientists that provides a model of evolutionary relationships without the need for scientific data.arrow_forward
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