Campbell Biology: Custom Edition
18th Edition
ISBN: 9781323717271
Author: Urry, Cain, Wasserman, Minorsky, Reece
Publisher: PEARSON C
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Chapter 26, Problem 9TYU
SCIENTIFIC INQUIRY • DRAW IT (a) Draw a phylogenetic tree based on characters 1-5 in the table below. Place hatch marks on the tree to indicate 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) Determine how many evolutionary changes are required in each tree. Identify the most parsimonious tree.
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Sketch the phylogenetic tree
Which of the following CANNOT be learned by looking at phylogenetic trees?
(A) ALL of these.
(B) Which groups of species represent natural monophyletic groups (clades) that should be named.
(C) Which ancestral nodes (representing extinct ancestors) might be older than other ancestral nodes.
(D) Which extant species are older than other extant species.
(E) Which characteristics most likely evolved along specific branches of the evolutionary tree.
Examine the image of the relatedness of vertebrates represented in this phylogenetic tree. Which statements are correctly inferred from this tree? Select all that apply.
A) The mammals are the outgroup in this tree.
B) Birds and dinosaurs share a recent common ancestor.
C) Mammals and birds are more closely related than any other species.
D) Turtles are equally as diverged from lizards and snakes as they are from crocodiles.
E) Lizards and snakes are more recently diverged from each other than they are from crocodiles.
Chapter 26 Solutions
Campbell Biology: Custom Edition
Ch. 26.1 - VISUAL SKILLS: Which levels of the classification...Ch. 26.1 - Prob. 2CCCh. 26.1 - DRAW IT The bear family (Ursidae) is more closety...Ch. 26.2 - Decide whether each of the following pairs of...Ch. 26.2 - Prob. 2CCCh. 26.3 - Prob. 1CCCh. 26.3 - Prob. 2CCCh. 26.3 - WHAT IF? Draw a phylogenetic tree that includes...Ch. 26.4 - Explain how comparing proteins of two species can...Ch. 26.4 - WHAT IF? Suppose gene A is orthologous in species...
Ch. 26.4 - Prob. 3CCCh. 26.5 - What is a molecular clock? What assumption...Ch. 26.5 - Prob. 2CCCh. 26.5 - WHAT IF? Suppose a molecular dock dates the...Ch. 26.6 - Why is the kingdom Monera no longer considered a...Ch. 26.6 - Prob. 2CCCh. 26.6 - MAKE CONNECTIONS Explain how the origin of...Ch. 26 - Humans and chimpanzees are sister species. Explain...Ch. 26 - Why is it necessary to distinguish homology from...Ch. 26 - Prob. 26.3CRCh. 26 - When reconstructing phylogenies, is it more useful...Ch. 26 - Prob. 26.5CRCh. 26 - Prob. 26.6CRCh. 26 - In a comparison of birds and mammals, the...Ch. 26 - To appiy parsimony to constructing a phylogenetic...Ch. 26 - VISUAL SKILLS In Figure 26.4, which similarly...Ch. 26 - Three living species X, Y, and Z share a common...Ch. 26 - VISUAL SKILLS Based on the tree below, which...Ch. 26 - If you were using cladistics to build a...Ch. 26 - VISUAL SKILLS The relative lengths of the frog and...Ch. 26 - EVOLUTION CONNECTION Darwin suggested looking at a...Ch. 26 - SCIENTIFIC INQUIRY DRAW IT (a) Draw a...Ch. 26 - WRITE ABOUT A THEME: INFORMATION In a Short essay...Ch. 26 - SYNTHESIZE YOUR KNOWLEDGE This West Indian manatee...
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- 7) Examine the image of the relatedness of vertebrates represented in this phylogenetic tree. Select all the statements that are supported by this tree. A) Gray whales are the common ancestor of the Blue and Humpback whales. B) Blue and humpback whales diverged more recently than either did from the gray whale. C) The Bryde's whale shares a more recent common ancestor with the Sei whale than with the Fin whale. D) The blue and the Bryde's whale have more traits in common with each other than with any other two species, E) Southern minke whales and Northern minke whales have more traits in common with each other than with any other species. Not Gradedarrow_forwardGive typed explanation of both otherwise leave itarrow_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_forward
- Need help what is the difference between a gene tree and a species tree? Explain in your own words how it is possible for gorillas and humans to share a genetic trait (such as a retroviral insertion) that chimpanzees do not share, if chimpanzees and humans are really each other's closest relatives. Given the lack of agreement between gene trees and species trees, how is it possible to reconstruct the true species tree?arrow_forwardWhich statement is usually true about phylogenetic trees? a) nodes represent points when traits have evolved b) branch tips that are next to each other are more closely related c) the branching pattern describes the hypothesized evolutionary relationships between the taxa d) the order of the branch tips (left to right) indicates which taxa are more advanced evolutionarilyarrow_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_forward
- 3. a) What is a phylogenetic tree and what information can we gain from studying it? b)What molecules did we explore in the laboratory to provides us with evidence of genetic evolution of fish?arrow_forwardPlz asaparrow_forward1. What types of evidence could scientists look at to make an accurate evolutionary tree?arrow_forward
- Below 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_forward(e) Using your phylogenetics knowledge from the first exam material , how was the approximate time of divergence between bees and their sister taxa estimated ?arrow_forward3. The table below lists four characteristics of the shrimp, silverfish, dragonfly, beetle, and butterfly. For each animal, (+) indicates that the character is present and (-) indicates the character is absent. Character Shrimp Silverfish Dragonfly Beetle Butterfly (В) (OG) (A) (C) (D) 3-pairs legs Wings Pupa Sucking mouthparts - + + + + A) Evaluate the three phylogenetic trees below by mapping the four characters onto each tree. Be sure to use the labels indicated by the key. Tree I Tree II Tree II OG OG OG A A В B A В W: wings (-)→ (+) W: wings L: 3 pairs legs (-)→(+) (+)→(-) Р: pupa (-)—> (+) SM: sucking mouthparts (-)→ (+)arrow_forward
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