EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 8TYU
SCIENTIFIC INQUIRY
DRAW IT (a) Draw a phylogenetic tree based on characters 1- 5 1n the table below. Place hatch marks on the tree to md1cate the origin(s) of characters 1-6. (b) Assume that tuna and dolphins are sister species, and redraw the phylogenetic tree accordingly. Use hatch marks to indicate the origin(s) of characters 1–6. (c) How· many evolutionary changes are required in each tree? Which tree is most parsimonious?
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To apply parsimony to constructing a phylogenetic tree, (A) choose the tree that assumes all evolutionary changes are equally probable. (B) choose the tree in which the branch points are based on as many shared derived characters as possible. (C) choose the tree that represents the fewest evolutionary changes,in either DNA sequences or morphology. (D) choose the tree with the fewest branch points.
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Sketch the phylogenetic tree
The phylogentic tree below depicts the evolutionary relationships of the following species A through M.
Chapter 20 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 20.1 - Which levels of the classification in Figure 20.3...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 - WHAT IF? Draw a phylogenetic tree that includes...Ch. 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. 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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The phylogenetic tree for 12 cat species (Felidae) reproduced at right was assembled from molecular sequence data. Which species is the domestic cats closest relative? Which clade is the sister taxon to tigers? Are bobcats more closely related to cougars or to ocelots? Source: From Warren E. Johnson et al. 2006. The late Miocene radiation of modern Felidae: A genetic assessment. Science 311:7377.arrow_forwardThe phylogenetic tree to the right showsthe evolutionary relationships of taxa A –H. The shapes represent character statetrait changes. A. Which traits (shapes) would individualsin taxa D have? Draw the collection oftraits. B. Is the triangle a synapomorphy orpleisomorphy (circle one)? C. Is the circle a synapomorphy orsympleisomorphy (circle one)?arrow_forwardIf phylogenetics is not a factor here, we have _____independent data points, but if phlogeny is the key factor, then we only have independent data points. (a) A 2; 3 06; 2 2; 6 6; 3 3; 2 B Group size EF D (b) Group sizearrow_forward
- Now, assume that tuna and dolphins are sister species. Redraw the phylogenetic tree accordingly. Use hatch marks to indicate the origins of characters 1-6?arrow_forward1. (a) The apparently constant rate of change Molecular phylogenetics Molecular evolution Molecular clock Evolutionary Signatures (b) The use of comparative genomics to infer evolutionary relationships among species Molecular phylogenetics Molecular evolution Molecular clock Evolutionary Signaturesarrow_forwardPhylogenetic trees are constructed based on Group of answer choices a. shared ancestral characters b. vestigial characters c. homoplastic characters d. cartoon characters e. shared derived characters f. shady charactersarrow_forward
- Answer the following: BIOLOGYarrow_forwardBelow are phylogenetic trees depicting the relationships among four species, A, B, C, and D. Which of the following statements is correct? ABCD ADCB DCBA D CAB (1) (2) (3) (4) Tree (1) and Tree (2) are the same tree. Tree (2) and Tree (4) are the same tree. Tree (2) and Tree (3) are the same tree. All four trees are in fact the same tree. All four trees are in fact different trees.arrow_forwardA вс D E F G scales fur/ scales spikes horns horns claws feathers hair a) Which trait(s) did the most recent common ancestor of dragons A and B have? [ [ Select ] b) Which trait(s) appear to be the result of convergent evolution? [ Select ] c) Which trait(s) does dragon D have? [Select ] d) Which taxa is most closely related to dragon B? [ Select ] f) True or false? The clade formed by dragons D, E, and their most recent common ancestor is monophyletic [ Select ] e) Which trait(s) did the most recent common ancestor of dragon species A and E have? [ Select ]arrow_forward
- Create a phylogenetic treearrow_forwardIn interpreting a cladogram, (a) we can identify the specific ancestor of each taxon by tracing each branch back to the node closest to the root (b) taxa on the right side of a cladogram have evolved from the taxa on the left side (c) the relative placement of smaller branches allows us to determine the number of years since a particular taxon has evolved (d) we can determine relationships by tracing along the branches back to the most recent commonancestor (e) we must first identify horizontal gene transferarrow_forwardBased on the most parsimonious tree above, which character independently evolved inmore than one taxa?arrow_forward
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