CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Chapter 16, Problem 2CC
Fill in the blanks on the phylogenetic tree (on the facing page) to show current hypotheses for the origin of multicellular organisms.
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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.
Examine the following phylogenetic tree illustrated in Figure shown in the picture.
In general, what does a phylogenetic tree illustrate?
How do you compare the relationships of organisms BB, CC, and DD?
The universal phylogenetic tree of life shows the divergence of Bacteria, Archaea, and Eukarya. Studies of Lokiarchaeota help
to elucidate these relationships, but the first universal tree of life was constructed by Carl Woese using ribosomal RNA
sequences. There are advantages to using different types of nucleic acid for different types of analyses.
What is a specific advantage of using small subunit ribosomal RNA (SSU rRNA) gene sequences for phylogenetic
analysis compared with DNA sequences?
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SSU rRNA sequences accumulate mutations more rapidly than protein-encoding DNA.
SSU rRNA is frequently transferred through horizontal gene transfer, whereas DNA sequences are not.
Primers are required in DNA sequence analysis, but not for SSU rRNA sequence analysis.
Although PCR products can be visualized with SSU rRNA, this is not the case with other forms of nucleic acids.
DNA sequences are too highly conserved to work well for sequence analysis; individual species are…
Chapter 16 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 16 - Explain how each of the following characteristics...Ch. 16 - Fill in the blanks on the phylogenetic tree (on...Ch. 16 - In terms of nutrition, autotrophs are to...Ch. 16 - A new organism has been discovered. Tests have...Ch. 16 - Which pair of protists has support structures...Ch. 16 - Prob. 6TYKCh. 16 - Which of the following prokaryotes is not...Ch. 16 - Prob. 8TYKCh. 16 - What characteristic distinguishes true...Ch. 16 - Prob. 10TYK
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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
- Which of the following is FALSE regarding phylogenetic trees? 1) The branch lengths on the tree are scaled to molecular (DNA) changes and/or time. 2)Phylogenetic trees have shown us that there is much more bacterial diversity compared to eukaryotes. 3) Phylogenetic trees show the evolutionary relatedness of different organisms. 4). The branch lengths on the tree depict abiotic and biotic factors affecting speciation.arrow_forwardPhylogenetic 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_forwardDraw a simpler version of the phylogenetic tree that just depicts the four supergroups of eukaryotes after viewing the image. Now imagine and sketch the tree as if the unikonts were the first eukaryotes to diverge from the rest of the eukaryotes.arrow_forward
- Given the phylogenetic tree shown below, which of the following two species (A-F) most recently shared a common ancestor? DEarrow_forwardDraw a simpler version of the phylogenetic tree that just depicts the four supergroups of eukaryotes after viewing the image. Now imagine the tree as if the unikonts were the first eukaryotes to diverge from the rest of the eukaryotes.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_forward
- make a drawing of a phylogenetic tree that contains all 3 domains of life. The tree should include at least three different animals, two plants, chemoheterotrophic bacteria, photoautotrophic bacteria, chemoheterotrophic archaea, thermophilic archaea and fungi. Identify both primary endosymbiosis events on the tree and draw a line to connect it to the organism that would become the future organelle.arrow_forwardDraw 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.arrow_forwardPlease 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.arrow_forward
- Study the diagrams below. The diagrams represent four possible phylogenetic trees showing the relationship between the four species: M, L, S, and R. B A M LS R M LR +d \t R SML RM S tota -444 What is the plausible explanation for the appearance of autapomorphic character c in species L and S of tree A although they do not share a most recent common ancestor?arrow_forwardsimilar structures in closely related organisms are considered to be (fill in the blank) While those in distantly related organisms are considered to be (fill in the blank) fill in the blank with the word choices: sympatric, homologous, allopatric, or convergentarrow_forwardfor the cactus (eukarotic) and the e coli bacteria (prokarotic) i want you to: Classify them based on modern taxonomy, and write their scientific name in three different ways based on Linnaeus. Describe their dichotomous key and show how far they are in their taxonomyfrom each other and describe how they interact together in the ecosystem basedon what you studied. what is thier location on the phylogenetic tree as well as the clade for botharrow_forward
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Phylogenetic Mysteries: Crash Course Zoology #12; Author: CrashCourse;https://www.youtube.com/watch?v=cVaw7nF72Aw;License: Standard youtube license