BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
2020th Edition
ISBN: 9780135686553
Author: Audesirk
Publisher: PEARSON
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Chapter 19, Problem 2AC
Summary Introduction
To review:
The advantages of modern systematic and disadvantages or errors in reconstruction of family tree.
Introduction:
The topmost branches of the submerged trees cannot provide a full insight about the common branch point from which the topmost branches arise that is the ancestors of the topmost branches are not visible. The conventional systematic observes the similarities of appearance among existing organisms without any information about the ancestors of the existing species to construct the evolutionary tree or phylogenetic tree. The error of two exercises is the use of external appearance and the currently available species or branch points to find the ancestors or submerged branches.
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Chapter 19 Solutions
BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
Ch. 19 - To say that species A is more closely related to...Ch. 19 - To be informative for reconstructing the phylogeny...Ch. 19 - Which of the following illustrates the correct way...Ch. 19 - In modern systematics, classifications are...Ch. 19 - Which of the following includes all the domains...Ch. 19 - The science of naming and classifying organisms is...Ch. 19 - 2. 2. A scientific name consists of a(n) _________...Ch. 19 - In Linnaean classification, the eight major...Ch. 19 - 4. Systematists determine the evolutionary...Ch. 19 - Prob. 5FTB
Ch. 19 - The number of named species is about __________,...Ch. 19 - What contributions did Linnaeus and Darwin make to...Ch. 19 - What features would you study to determine whether...Ch. 19 - What techniques might you use to determine whether...Ch. 19 - 4. Only a small fraction of the total number of...Ch. 19 - 5. In England, “daddy longlegs” refers to a...Ch. 19 - Prob. 6RQCh. 19 - The pressures created by human population growth...Ch. 19 - Prob. 2ACCh. 19 - 3. Consider the following list of groups: (1)...
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- Where on the cladogram would you place the common ancestor of brown algae and water molds? The common ancestor of animals and fungi?arrow_forwardA critical concern of systematics is that the genera are , that all the species included in the genus are related to each other by a common ancestor, and that (circle one: all, most, at least half) of the descendants of that common ancestor are in the same genus. Such a genus is (circle one: polyphyletic, monophyletic).arrow_forwardExamine 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?arrow_forward
- Which of the following is true regarding the way we define clades with characters? Select one: a. Autapomorphies are good characters to use because they describe every lineage of the clade and no other lineages b. Plesiomorphies are good characters to use because they describe every lineage of the clade and no other lineages c. Synapomorphies are good characters to use because they describe every lineage of the clade and no other lineages Please give me the correct answer quickly I will give you upvotearrow_forwardWhat are the ORDER/FAMILYs under Major Cubozoan Taxa? Give their characterictics, distribution, and give 2 example species each order/family.arrow_forwardBased on the past activities about constructing of phylogenetic trees, how do you distinguish characteristics between primitive and derived characteristics? provide and example to your answerarrow_forward
- What is the difference between morphological phylogeny and molecular phylogeny? What are each of their strength and weakness?arrow_forwardHow will the increase in biosphere production of carbon alter the carbon levels in: Atmosphere Surface ocean Deep ocean Fossil fuels Number and variety of terrestrial plants and animals? How will the increased carbon levels as noted in your Data Table affect current taxonomy? Will the number and variety of species change? How will they change? From your collected data and what you have learned so far, what do you propose as a solution to this dilemma?arrow_forwardIf a taxonomist constructs a rooted phylogenetic tree for a group of living species, the structure of the tree alone can be used to distinguish hypotheses of monophyly versus nonmonophyly of a particular subgroup. If monophyly is rejected for a particular subgroup, tree topology alone cannot distinguish paraphyly from polyphyly. What additional information is needed to distinguish paraphyly from polyphyly?arrow_forward
- Find a current, credible phylogenetic tree representing any group of organisms (your choice)! Draw that tree and on it indicate nodes, synapomorphes, monophyletic, polyphyletic, and paraphyletic groups (make sure the image you choose is complex enough to show all these groups). Below your drawing, in paragraph form, describe the relationships of four of the members on your tree based on how a phylogenetic tree is interpretedarrow_forwardhow many clades are in this tree?arrow_forwardWhich of the following taxa are monophyletic, polyphyletic, and paraphyletic?arrow_forward
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Phylogenetic Mysteries: Crash Course Zoology #12; Author: CrashCourse;https://www.youtube.com/watch?v=cVaw7nF72Aw;License: Standard youtube license