Campbell Biology: Conc. and Conn. - Access
8th Edition
ISBN: 9780321946850
Author: Reece
Publisher: PEARSON
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Chapter 15, Problem 17TYK
Summary Introduction
To determine: The arrangement of the species on the phylogenetic tree below and indicate the derived character that defines each branch point.
Introduction:
The data provided in the table shows the different traits of three dinosaurs and Archaeopteryx. Some traits are common in species and some are uncommon. This will easily indicates the branch point of each species.
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Students have asked these similar questions
Draw a simple phylogenetic tree for two sisters clades with a common ancestor. Each sister clade consists of two taxa. Define the following terms and use to label your diagram: clade, node, branch, common ancestor, and taxon.
The figure shows a phylogenetic tree of various members of the order Proboscidea, which includes modern elephants. Which of the following claims is best supported by the information in the figure ?
a.The mastodon and the Stegodon diverged from their common ancestor 22 million years ago.
b.The common ancestor of the African elephant and the mastodon is the Palaeomastodon.
c.The mammoth diverged from its most recent common ancestor with African elephants before the mastodon diverged from its most recent common ancestor with Stegodons.
d.The Asian and African elephants are the most closely related species shown on the tree.
Draw a phylogenetic tree based on characters 1-5 in the table below. Place hatch marks on the tree to indicate the origin of characters 1-6.
Assume that tuna and dolphins are sister species and redraw the phylogenetic tree accordingly. Use hatch marks to indicate the origin of characters 1-6.
How many evolutionary changes are required in each tree? Which tree is most parsimonious?
Character
Lancelet
(outgroup)
Lamprey
Tuna
Salamander
Turtle
Leopard
Dolphin
1. Backbone
0
1
1
1
1
1
1
2. Hinged Jaw
0
0
1
1
1
1
1
3. Four Limbs
0
0
0
1
1
1
1*
4. Amnion
0
0
0
0
1
1
1
5. Milk
0
0
0
0
0
1
1
6. Dorsal fin
0
0
0
0
0
0
1
*Dolphins have 4 limbs (2 fins and 2 hind limb buds as embryos)
Chapter 15 Solutions
Campbell Biology: Conc. and Conn. - Access
Ch. 15 - Using the figure below, describe the stages that...Ch. 15 - Fill in this concept map about systematics.Ch. 15 - Prob. 3TYKCh. 15 - Prob. 4TYKCh. 15 - Prob. 5TYKCh. 15 - Adaptive radiations may be promoted by all of the...Ch. 15 - A swim bladder is a gas-filled sac that helps fish...Ch. 15 - Prob. 8TYKCh. 15 - Which of the following could provide the best data...Ch. 15 - Prob. 10TYK
Ch. 15 - Distinguish between microevolution and...Ch. 15 - Which are more likely to be closely related: two...Ch. 15 - How can the Darwinian concept of descent with...Ch. 15 - Explain why changes in the regulation of...Ch. 15 - Prob. 15TYKCh. 15 - Measurements indicate that a fossilized skull you...Ch. 15 - Prob. 17TYKCh. 15 - SCIENTIFIC THINKING When Stanley Millers...
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- A phylogenetic tree is different from a cladogram in that ... Group of answer choices A: it shows that all species are not related to a common ancestor, but each has a distinct archetype. B: it represents the time scale of evolution, including where extinct species fit in. C: it uses an outgroup to compare a small group of species that exhibit similar traits D: it is not based on genetic or morphological evidence.arrow_forwardBelow is a phylogenetic tree. Which of the following statements is correct? Species C and D are called sibling taxa because both are derived from the same parent species H. Species F is more related to species K than species D is. Species A, B, and D share a common ancestor of species I. All species shown are currently with us. All of the abovearrow_forwardCladograms and phylogenetic trees are both examples of evolutionary trees. While both types contain groups of organisms that descended from a common ancestor, phylogenetic trees are typically constructed in a way where the length of the "branches" and their relation to other organisms on the tree represent the inferred evolutionary change that actually occurred. On the other hand, cladograms typically display "branches" that are of equal distance to one another.The primary purpose of this assignment is for you become comfortable reading evolutionary trees, to accurately determine recent common ancestors, to identify which organisms are extinct (dead), extant (living), and the general relationship genetics plays in the overarching process of evolution. 1. What types of evidence could scientists look at to make an accurate evolutionary tree?arrow_forward
- Phylogenetic trees are a type of model that can be used to show how organisms are related through common ancestry. The phylogenetic tree model represents nodes numbered 1 through 8. Using evidence from the phylogenetic tree determine which species would be MOST closely related to the species on branch C? Question options: The species on Branch A is most closely related to the species on branch C because they share the most recent common ancestor at node 1. The species on Branch B is most closely related to the species on branch C because they share the greatest number of common +ancestors. The species on Branch A & B are both most closely related to the species on branch C because they share the most most recent common ancestor at node 2. The species on Branches F, G, H, and I are all equally related to the species on branch C because they all split from a common ancestor at the same time which is illustrated by having nodes 2 and 7 at the…arrow_forwardPhylogenetic trees are diagrams used to reflect evolutionary relationships among organisms or groups of organisms. _______ trees have a single ancestral line to which all organisms in the diagram relate to. ______ do not have a common ancestor but do show relationships among species.arrow_forwardWhen building a phylogenetic tree, where do you place a number used to designate a change in character state?options: at a mark crossing the branch for the species that exhibits the new state at a node where two branches diverge at the end of a branch between the last species to exhibit the old state and the first to display the new statearrow_forward
- Examine the following phylogenetic tree illustrated in Figure shown in the first picture. In general, what does a phylogenetic tree illustrate? How do you compare the relationships of organisms BB, CC, and DD? Given the following organisms in the Table in the second picture, number them in terms of which is relatively closest and distant. Number 1 refers to closest.arrow_forwarda) Draw a phylogenetic tree based on characters 1-5 in the table below. Place hatch marks on the tree to indicate the origin 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 of characters 1-6. c) How many evolutionary changes are required in each tree? Which tree is most parsimonious? Use figure 20.5 and 20.12 from the Campbell, Biology in focus. Can you pls explain this to me?arrow_forwardDolphins and fish have similar body shapes. Is this feature more likely a homologous or analogous trait? Why is it so important for scientists to distinguish between homologous and analogous characteristics before building phylogenetic trees?arrow_forward
- Draw a phylogenetic reconstruction for the hypothetical frog species. Once you have a cladogram you feel confident about, use lines and labels on cladogram to indicate where character states hanged. How many evolutionary changes occurred in your phylogeny? Is there evidence of an evolutionary convergence having occurred in your phylogeny? How about evolutionary reversals?arrow_forwardWhat is the difference between a phylogenetic tree and a cladogram? What the difference between "homologous traits" and "analogous traits"? What is the difference between "ancestral traits" and "derived traits"?arrow_forwardDefine the following terms: cladistics phylogenetic tree clade cladogram phenogram phylogenetic divergence synapomorphyarrow_forward
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Phylogenetic Mysteries: Crash Course Zoology #12; Author: CrashCourse;https://www.youtube.com/watch?v=cVaw7nF72Aw;License: Standard youtube license