Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 13, Problem 2WIO
Summary Introduction
To determine:
The types of information used to hypothesize the relation of species to one another by the descent from a shared ancestor and to give an example that includes multiple types of evidence supporting each other.
Concept Introduction:
The descent with modification is the term for the summated processes of the evolution. This implies that the present species have descent from the common ancestors with the modifications caused by the environmental factors for the survival. This results in the diversification of the species, which is visible at the present time.
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Explain the significance of using multiple lines of evidence to identify evolutionary relationships.
Does the use of DNA sequences in the study of evolutionary relationships mean that other characteristics are unimportant in such studies? Discuss what other forms of evidence you may still want to use, along with when and why those other forms of evidence would be especially helpful.
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…
Chapter 13 Solutions
Biology: Concepts and Investigations
Ch. 13.1 - What is the geologic timescale?Ch. 13.1 - What types of information provide the clues that...Ch. 13.2 - What are some of the ways that fossils form?Ch. 13.2 - Why will the fossil record always be incomplete?Ch. 13.2 - Prob. 3MCCh. 13.2 - Distinguish between relative and absolute dating...Ch. 13.2 - How does radiometric dating work?Ch. 13.3 - How have the positions of Earths continents...Ch. 13.3 - Prob. 2MCCh. 13.4 - What can homologous structures reveal about...
Ch. 13.4 - What is a vestigial structure? What are some...Ch. 13.4 - What is convergent evolution?Ch. 13.5 - How does the study of embryonic development reveal...Ch. 13.5 - Prob. 2MCCh. 13.6 - How does analysis of DNA and proteins support...Ch. 13.6 - Prob. 2MCCh. 13.6 - How can molecular clocks help determine when two...Ch. 13.7 - How might the ability to crawl on land for short...Ch. 13.7 - Prob. 2MCCh. 13 - You discover that a 24,000-year-old fossil has one...Ch. 13 - In fossils found in deeper layers of the Earth,...Ch. 13 - Prob. 3MCQCh. 13 - Ground beetles (Carabus solieri) have useless hind...Ch. 13 - Prob. 5MCQCh. 13 - Prob. 6MCQCh. 13 - Explain the significance of the geologic timescale...Ch. 13 - Prob. 2WIOCh. 13 - Describe six types of fossils and how they form....Ch. 13 - The bubonic plague swept through western Europe in...Ch. 13 - Index fossils represent organisms that were...Ch. 13 - Prob. 6WIOCh. 13 - Prob. 7WIOCh. 13 - Prob. 8WIOCh. 13 - How do biologists use sequences of proteins and...Ch. 13 - Prob. 10WIOCh. 13 - Figure 13.25 Pull It Together: Evidence of...Ch. 13 - Prob. 2PITCh. 13 - Refer to figure 13.25 and the chapter content to...
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- What types of information provide the clues that scientists use in investigating evolutionary relationships?arrow_forwardUsing the phylogenic tree below, answer the following questions: 1 -Species A -Species B -Species C -Species D -Species E -Species F Which species will shares only one characteristic with the others? Which numbered location identifies characteristics shared by Species E and F? Which species will share characteristics similar to those at location 3? Which numbered location indicates a common ancestor of all the species on the tree?arrow_forwardWhat are the types of evidence and procedures that can be used to establish evolutionary relationships?arrow_forward
- Explain your answer in some depth and avoid just saying "It is A" or It is B. Defend your answer and explain why you choice that answer choice. Question: Domestic dogs would least likely meet the definition of a single species using which concept? Group of answer choices A) Lineage B) Biological C) Morphological D) Domestic dogs are not a single species according to any of the species concept definitions.arrow_forwardUse examples, briefly discuss how evidence is used to support evolution. Do you agree with the use of this data/evidence? Explain your position.arrow_forwardWhen constructing phylogenetic trees, what is the purpose of applying maximum parsimony? Parsimony allows the researcher to "root" the tree. For trees based on morphology, the most parsimonious tree requires the maximum evolutionary events. The outgroup roots the tree, allowing the principle of parsimony to be applied. For trees based on morphology, the most parsimonious is the one that uses the simplest explanation of evolutionary events.arrow_forward
- Use the data matric provided to draft a phylogenetic tree. Label the outgroup and indicate the origin of each of the Pax genes on the tree. Presence of Pax Genes * Pax1 Pax2 Pax3 Pax4 Pax5 Genes → Species ↓ S. Philomina 1 1 1 1 1 J. Antar 1 1 1 1 0 M. Aflaton 1 1 1 1 0 J. Fangaloza 1 1 0 0 0 A. Harisa 0 0 0 0 0 *1 = present; 0 = absentarrow_forwardExplain the barriers to interbreeding separate populations as the basis for the evolution of new species. Provide examples for each of the barriers.arrow_forwardDiscuss how the principle of parsimony can be used in a cladistics approach to constructing a phylogenetic tree.arrow_forward
- What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestorsarrow_forwardUse the following matrix to create a phylogenetic tree showing the relationship of the species. Mark the position of species and traits on your tree. (Hint: the Jellyfish is the outgroup). 1: is to represent the presence of the traits 0: is to represent the absence of the traitsarrow_forwardNext fill out the following table noting how many derived traits are shared for each pair of ingroup species. Species A Species B Species C Species D Species E Species F Species A Species B X X Species C X X X Species D X Species E X X Species F X X X X Use the above matrix to draw a cladogram depicting the phylogenetic relationships among all seven species. Start by grouping the pairs that have the most shared derived traits and then linking groups together. This is difficult to describe so look at the example matrix and cladogram below and then just give it a try, and ask for help if you get stuck. We will go through this as a group before lab is over to make sure everyone understands. Look at the hypothetical example first. Phylogenetic Systematics Page 5 Example Matrix Of Shared Derived Traits: Species Species Species Species A В C D Species A Species B Species C Species D 1 1 3 X Building a cladogram from above matrix: Step 1. Species C and D share the most derived traits so link…arrow_forward
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