Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 18, Problem 7SQ
Homologous structures among major groups of organisms may differ in _______ .
- a. size
- b. shape
- c. function
- d. all of the above
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In terms of classification of organisms, it can be said that the living things on Earth are very
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The next lower level of classification, immediately following phylum is
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A collections of similar kingdoms. Reflects the characteristics of the cell that make up the organism. *
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Chapter 18 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 18 - In cladistics, the only taxon that is always...Ch. 18 - Prob. 2SQCh. 18 - A clade is _________. a. defined by a derived...Ch. 18 - Prob. 4SQCh. 18 - In cladograms, sister groups are _______ . a....Ch. 18 - Through _______, a body part of an ancestor is...Ch. 18 - Homologous structures among major groups of...Ch. 18 - Prob. 8SQCh. 18 - Mitochondrial DNA sequences are often used in...Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...
Ch. 18 - Prob. 2DAACh. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...Ch. 18 - Molecular clocks are based on comparisons of the...Ch. 18 - True or false? DNA barcoding can identify an...Ch. 18 - A mutation that alters the embryonic expression...Ch. 18 - All of the following data types can be used as...Ch. 18 - True or false? Phylogeny helps us study the spread...Ch. 18 - Prob. 15SQCh. 18 - In the late 1800s, a biologist studying animal...Ch. 18 - The photos shown above illustrate a case of...
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- A unicellular organism has a cell wall, a nucleus, chloroplasts, and several flagella. Which classification best matches this organism? O A. prokaryotic eubacteria O B. eukaryotic protist C. prokaryotic archaebacteria O D. eukaryotic plantarrow_forwardScientists discover a new characteristic in some organisms in Kingdom X. They decide this characteristic is important enough to place these organisms in a new kingdom: Kingdom Y. Which sentence accurately describes the other levels of organization in this new kingdom? O The phyla would be new, but the classes, orders, and families would not be new. O The phyla and classes would be new, but the orders and families would not be new. O The phyla, classes, orders, and families would all be new. O The phyla, classes, orders, and families would not be new.arrow_forwardThe evolution of various life forms on Earth is summarized in ________. a. the binomial naming system b. phylogenetic trees c. the taxonomic classification systemarrow_forward
- The most inclusive level of classification isa. species.b. kingdom.c. domain.d. phylum.arrow_forwardDescribe the three domains and argue for and against classifying organisms in these domains. (Compare this approach with using kingdoms as the main rank of classification.)arrow_forwardFigure 1.8 Which of the following statements is false? A. Tissues exist within organs which exist within organ systems. B. Communities exist within populations which exist within ecosystems. C. Organelles exist within cells which exist within tissues. D. Communities exist within ecosystems which exist in the biosphere.arrow_forward
- You are examining an organism you believe to be an animal. Which of the following would NOT support your hypothesis? O A The organism appears to be heterotrophic. O B The organism appears to be multicellular. O C The organism appears to be motile. O D The organism appears to have cell walls. O E All animals, including sponges, have development directed by Hox genes.arrow_forwardAll organisms belong to certain classification. Why do organisms need to classified?arrow_forwardWhich of these groups of living organisms is monophyletic? A. Algae B. Bacteria C. Prokaryotes D. Both A and B E. Both A and Carrow_forward
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