Campbell Biology (10th Edition)
Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 30, Problem 6TYU

DRAW IT Use the letters a-d to label where on the phylogenetic tree each of the following derived characters appears.

(A) flowers

(B)embryos

(C)seeds

(D)vascular issue

Chapter 30, Problem 6TYU, DRAW IT Use the letters a-d to label where on the phylogenetic tree each of the following derived

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(1) Seeds would be an example of an: I) autapomorphy            II) plesiomorphy            III) synapomorphy            IV) symplesiomorphy (2) Flowers would be an example of an:  I) autapomorphy            II) plesiomorphy            III) synapomorphy            IV) symplesiomorphy
Phylogenetic trees are used to show the evolutionary relationships among various biological species and are usually based upon shared derived characters. In constructing phylogenetic trees, it is useful to first draw up a character table to show the presence or absence of characters among the various groups of organisms being studied. a. Draw up a character table based upon the following shared derived characters of land plants: flowers, seeds, vascular tissues, and dependent embryos. Your character table must include the names/descriptions of the plant groups that are being characterized. b. Construct a phylogenetic tree based on this data.
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 photosynthesis
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