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 6TYK
Summary Introduction
Introduction: Taxonomy is the branch of biology that names and classifies all the organisms. The Linnaean system of classification was developed by the Swedish botanist Carolus Linnaeus to categorize organisms into various hierarchical categories.
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A taxonomic group that contains species that have similar phenotypes due to convergent evolution is
a. paraphyletic.
b. monophyletic.
c. polyphyletic.
d. a good cladistic group.
Phylogeny refers to the evolutionary descent of taxa. It refers to the relationship between ancestors and descendants and relationships among descendant taxa. It shows the lineage of taxa which can be summarized in a branching diagram called a phylogenetic tree.a. express some basic evolutionary relationships among groups of microorganisms, plants, and animals;
b. illustrate the relationship of organisms with their environment; and
c. analyze environmental factors contributing to biodiversity richness and loss
Species recognized by the phylogenetic species concept
a. sometimes also would be recognized as species by the biological species concept.
b. are sometimes paraphyletic.
c. are characterized by symplesiomorphies.
d. are more frequent in plants than in animals.
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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- Monophyletic groups are desirable in classification as they Select one: a.reflect evolutionary relationships b. minimise name changes from old to new classifications c. result in fewer groups and are therefore more parsimoniousarrow_forwardIdentify which of the following statements is false and correct the statement. a. Brown and red algae are not closely related phylogenetically. b. Chloroplasts in brown and red algae are monophyletic. c. Brown algae gained chloroplasts by engulfing green algae (endosymbiosis). d. None of the statements are false.arrow_forwardA species is a. composed of members that are capable of interbreeding. b. a group whose members can produce viable offspring. c. does not correspond to any level of Linnaean classification d. A. B and C e. A and B onlyarrow_forward
- In the figure below, Taxa I, II and III are as follows: A. paraphyletic, polyphyletic, monophyletic B. paraphyletic, monophyletic, polyphyletic C. polyphyletic, monophyletic, paraphyletic D. monophyletic, polyphyletic, paraphyleticarrow_forwardSieve tubes and sieve elements are a. homoplastic because they have different function. b. homologous because they have similar function. c. homoplastic because their common ancestor was single-celled. d. structures involved in transport within animalsarrow_forwardWhich of the following is true regarding the way we define clades with characters? Select one: a. Autapomorphies are good characters to use because they describe every lineage of the clade and no other lineages b. Plesiomorphies are good characters to use because they describe every lineage of the clade and no other lineages c. Synapomorphies are good characters to use because they describe every lineage of the clade and no other lineages Please give me the correct answer quickly I will give you upvotearrow_forward
- The group designated as A+B (which includes the immediate internal node of each descendant) represents the smallest monophyletic grouping in this radiating cladogram. But a group designated as E+F+G - A. would be paraphyletic. B. would be polyphyletic. C. would also be monophyletic. D. cannot be determined.arrow_forwardA branch points on a phylogenetic tree is where scientists that study systematics place a groups organisms that share the formation of a new character. b organisms that have not yet diverged. c the emergence of a new genus. d the root of a phylogeny.arrow_forwardA good “phylogenetic” species is one that is A. The smallest diagnosable cluster of organisms within which there is a pattern of ancestry and descent B. The most inclusive population of individuals having the potential for phenotypic cohesion through intrinsic cohesion mechanisms. C. Morphologically distinctive from other groups of organisms D. An actually or potentially interbreeding group that is reproductively isolated from other such groups.arrow_forward
- 1. Which describes the modern classification system?a. based on evolutionary relationshipsb. called Linnean classificationc. based on similar appearancesd. called Darwinian classification2. If two organisms are in the same clade, what can you predict about theirrelationship?a. They are not closely related.b. They share a common ancestor.c. They compete for resources.d. One organism evolved into the other organism. 3.Which best describes traditional classification?a. It is based on shared characteristics.b. It is based on evolutionary relationships.c. It is called phylogenetic classification.d. It is called cladisticsarrow_forwardA taxon composed of all species derived from a common ancestoris referred to asa. a phylum.b. a monophyletic group or clade.c. a genus.d. an outgroup.e. all of the abovearrow_forwardWhich of the following is/are TRUE in phylogenetic analysis? 0000000 A. In a phylogram, the longer the branch length, the lesser genetic change. B. A bootstrap value of 90-100 indicates a weakly supported clade. C. Neighbor-Joining and Maximum Parsimony does not consider convergence as an influencing factor in creating an evolutionary tree. D. Phylogenetic analysis treats each base of a sequence as a molecular character for analysis. Both C and D are True statements. Both B and Care True statements. None. All of the statements are False.arrow_forward
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