Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Chapter 20.1, Problem 2CC
Which of the trees shown here depicts an evolutionary history different from the other two? Explain.
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Chapter 20 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Ch. 20.1 - Based on the tree in Figure 20.4, are leopards...Ch. 20.1 - Which of the trees shown here depicts an...Ch. 20.1 - Prob. 3CCCh. 20.2 - Decide whether each of the following pairs of...Ch. 20.2 - WHAT IF? Suppose that two species, A and B, have...Ch. 20.3 - Prob. 1CCCh. 20.3 - The most parsimonious tree of evolutionary...Ch. 20.3 - Prob. 3CCCh. 20.4 - What is a molecular clock? What assumption...Ch. 20.4 - MAKE CONNECTIONS Review Concept 14.5. Then...
Ch. 20.4 - WHAT IF? Suppose a molecular clock dates the...Ch. 20.5 - Why is the kingdom Monera no longer considered a...Ch. 20.5 - Prob. 2CCCh. 20.5 - Prob. 3CCCh. 20 - In a comparison of birds and mammals, the...Ch. 20 - To apply parsimony to constructing a phylogenetic...Ch. 20 - Prob. 3TYUCh. 20 - Prob. 4TYUCh. 20 - Prob. 5TYUCh. 20 - If you were using cladistics to build a...Ch. 20 - Prob. 7TYUCh. 20 - SCIENTIFIC INQUIRY DRAW IT (a) Draw a phylogenetic...Ch. 20 - FOCUS ON EVOLUTION Darwin suggested looking at a...Ch. 20 - Prob. 10TYUCh. 20 - SYNTHESIZE YOUR KNOWLEDGE This West Indian manatee...
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- Name a type of homology that is useful in buildingphylogenetic trees and explain why this kind of homology, andnot others, is usefularrow_forwardA tree that includes a homoplasy is more parsimonious than one that includes only homologous characters. true or false?arrow_forwardExamine the table of characters given for four different species of flower. Species A Species B Species C Species D Presence of sepals Number of petals Arrangement of petals Number of carpels Yes Five Whorled Ten Yes O number of petals O arrangement of petals O presence of sepals O number of carpels Five Whorled Ten Yes Ten Whorled Ten No Ten Whorled Five Based on the character matrix, which is most likely an ancestral trait for the group of species?arrow_forward
- Explain why plants being polyploid makes using the phylogenetic species concept difficult to use. Be sure to explain how the phylogenetic species concept attempts to classify organisms into distinct species. How can scientists still use the phylogenetic species concept to classify land plants, despite the majority being polyploid? (What do they do to get around this problem?)arrow_forwardConstructing a Phylogenetic Tree Now, you are going to create and the interpret your own phylogenetic tree. Take a look at the characteristics for these organisms. Plant Group Photosynthesis? Seeds? Water-conducting Tissue? Flowers? Ferns X Gymnosperms Mosses Angiosperms X Using the characteristics from the table above, determine where each of these organisms belongs on the tree below, then answer the questions. D A В Being able to do photosynthesis is an example of a: O shared derived character O shared ancestral characterarrow_forwardRedraw and rearrange the branches of the tree below to make the most parsimonious(simplest) tree. A minus (“-“) next to a character indicates that that particular character isnot present in the taxa connected to that branch.arrow_forward
- Constructing a Phylogenetic Tree Now, you are going to create and the interpret your own phylogenetic tree. Take a look at the characteristics for these organisms. Plant Group Photosynthesis? Seeds? Water-conducting Tissue? Flowers? Ferns X Gymnosperms Mosses Angiosperms Using the characteristics from the table above, determine where each of these organisms belongs on the tree below, then answer the questions. A В What characteristic appears just before group C branches off (the starred location)? flowers water conducting tissue seeds O photosynthesisarrow_forwardA consortium of dairy and beef farmers has hired you to study the evolutionary origins of domestic cattle. They particularly want to know whether the humped zebu cattle of Asia and the cattle of Africa are derived from different species of wild cattle than European breeds. Outline a complete research program to study this question. Describe the sequence of steps you would need to do, what kind of data you would collect, and the methods you could use to evaluate possible trees and branches.arrow_forwardDraw a Venn diagram. Start with the characteristic that is shared by all the taxa on the outside. Inside each box, write the taxa that have only that set of characteristic.arrow_forward
- From the pictures interpret the tree using real branch lengths. What can you infer? How many major clades can you see? Do they belong to the same class, order, family, and genus? Why or why not?arrow_forwardexplain the raspberries common ancestor from the given clade.arrow_forwardBased on the traits in the table below, which of the following would be the most parsimonious arrangement of species on the tree below? List species from top to bottom, following the arrow on the right.arrow_forward
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