Campbell Biology In Focus
2nd Edition
ISBN: 9780134203072
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 20.5, Problem 3CC
Summary Introduction
To draw:
The three possible dichotomously branching trees showing evolutionary relationships for the domains Bacteria, Archaea, and Eukarya. Also to discuss whether when two of these trees have been supported by genetic data, would it be likely that the third tree might also receive such support.
Introduction:
The phylogenetic tree is also known as the evolutionary tree. It is a branched diagram for evolutionary relationships among species based on their genetic and physical characteristics.
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Students have asked these similar questions
WHAT IF? What evolutionary processes might accountfor prokaryotes having smaller genomes than eukaryotes?
choose correct option nd Do explain
1. Which of the phylogenetic trees in the Figure is the most accurate? Explain your answer. Note: the mitochondria and chloroplasts are from maize, but they are treated as independent “organisms” for the purposes of this question.
a. Tree (a)
b. Tree (b)
c. Tree (c)
d. Tree (d)
e. Tree (e)
Please create a phylogenetic (evolutionary) tree given this criteria and follow all points!
There are three domains of life - Bacteria, Archaea, and Eukarya.
Start by drawing these three main branches.
Then add branches for plants, animals, fungi, and protists. When adding all these branches,
don't just add them randomly. The branching pattern reflects evolutionary relationships. You
should use the relationships/branching patterns.
Then add additional branches for
• three species of bacteria
• three species of archaea
three species of plants
three species of animals
• three species of fungi
• three species of protists (single-celled eukaryotes)
You can pick any species you want. For each species, be sure to add 1 synapomorphy (shared
derived character) that defines the species or group.
•
Finally, label the tree with all the terms (parts of a tree, not phylogenetic groups) when
describing a phylogenetic tree.
Chapter 20 Solutions
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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- WHAT IF? Suppose that two species, A and B, havesimilar appearances but very divergent gene sequences,while species B and C have very different appearancesbut similar gene sequences. Which pair of species is morelikely to be closely related: A and B or B and C? Explain.arrow_forwardThe Selfish Gene is a radical theory that argues that all living creatures are essentially vehicles for their genes- hence, we all are a “survival machine" for our genes. In the light of what you have learned about the molecular structure and function of the gene, is this perspective still relevant? Cite specific biological phenomena to prove your point.arrow_forwardPlease answer fast 1.You want to construct a phylogeny of the classes found within Phylum Arthropoda, classes which shared ancestry hundreds of millions of years ago. Would you choose to sequence a highly conserved gene or a non-coding region? Why?arrow_forward
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