2 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265810467
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 23, Problem 3A
Species recognized by the phylogenetic species concept
a. sometimes also would be recognized as species by the biological species concept.
b. are sometimes paraphyletic.
c. are characterized by symplesiomorphies.
d. are more frequent in plants than in animals.
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Two different monophyletic groups that share common ancestry with each other more recently than either does with other taxa are known as?
A paraphyletic group includes
a. an ancestor and all of its descendants.
b. an ancestor and some of its descendants.
c. descendants of more than one common ancestor.
d. All of the choices are correct.
In a phylogenetic tree, Species 1 and 2 are distantly related to one another but are both darkly pigmented. Species 3 which is unpigmented is a sister taxon to Species 2. The common ancestor to all three species is darkly pigmented; thus, this trait in the phylogeny is considered to be a -
A. homoplasy.
B. synapomorphy.
C. apomorphy.
D. symplesiomorphy.
Chapter 23 Solutions
2 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 23.1 - Prob. 1LOCh. 23.1 - Prob. 2LOCh. 23.2 - Prob. 1LOCh. 23.2 - Prob. 2LOCh. 23.2 - Demonstrate how a cladogram is constructed.Ch. 23.3 - Explain the taxonomic classification system.Ch. 23.3 - Prob. 2LOCh. 23.3 - Prob. 3LOCh. 23.4 - Prob. 1LOCh. 23.4 - Prob. 2LO
Ch. 23.4 - Prob. 3LOCh. 23.5 - Prob. 1LOCh. 23 - Construct a data matrix like the one in figure...Ch. 23 - Prob. 1IQCh. 23 - Prob. 2IQCh. 23 - Prob. 3IQCh. 23 - Prob. 4IQCh. 23 - Overall similarity of phenotypes may not always...Ch. 23 - a. is based on overall similarity of phenotypes....Ch. 23 - The principle of parsimony a. helps evolutionary...Ch. 23 - Parsimony suggests that parental care in birds,...Ch. 23 - The forelimb of a bird and the forelimb of a...Ch. 23 - In order to determine polarity for different...Ch. 23 - In a paraphyletic group a. all species are more...Ch. 23 - A paraphyletic group includes a. an ancestor and...Ch. 23 - Prob. 9UCh. 23 - A taxonomic group that contains species that have...Ch. 23 - Rapid rates of character change relative to the...Ch. 23 - Species recognized by the phylogenetic species...Ch. 23 - Prob. 1SCh. 23 - Identifying outgroups is a central component of...Ch. 23 - As noted in your reading, cladistics is a widely...Ch. 23 - Across many species of limpets, loss of larval...Ch. 23 - Birds, pterosaurs (a type of flying reptile that...Ch. 23 - AID:1825 | 10/04/2018 6. In what sense does the...
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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 best explains the morphological species concept?arrow_forwardWhich 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_forwardA species is a. composed of members that are capable of interbreeding. b. a group whose members can produce viable offspring. c. does not correspond to any level of Linnaean classification d. A. B and C e. A and B onlyarrow_forward
- A good “phylogenetic” species is one that is A. The smallest diagnosable cluster of organisms within which there is a pattern of ancestry and descent B. The most inclusive population of individuals having the potential for phenotypic cohesion through intrinsic cohesion mechanisms. C. Morphologically distinctive from other groups of organisms D. An actually or potentially interbreeding group that is reproductively isolated from other such groups.arrow_forwardA taxonomic group that contains species that have similar phenotypes due to convergent evolution is a. paraphyletic. b. monophyletic. c. polyphyletic. d. a good cladistic group.arrow_forwardBased on cladistic analysis: O a. paraphyletic and monophyletic groups are equally valid. b. a shared derived trait that unites birds is feathers. c. it is generally easier to identify the later as compared to the earlier members of a natural group. d. Two of the above are correct. e. None of the above is correct.arrow_forward
- Paraphyletic groups... A. represent the most recent common ancestor and all of the descendants B. Are a potential consequence of secondary loss of a trait C. Are often created when attempting to build phylogenies for species that have undergone convergent evolution D. Are more likely when making trees using the biological species conceptarrow_forwardMonophyletic groups are desirable in classification as they Select one: a.reflect evolutionary relationships b. minimise name changes from old to new classifications c. result in fewer groups and are therefore more parsimoniousarrow_forwardIn the figure below, Taxa I, II and III are as follows: A. paraphyletic, polyphyletic, monophyletic B. paraphyletic, monophyletic, polyphyletic C. polyphyletic, monophyletic, paraphyletic D. monophyletic, polyphyletic, paraphyleticarrow_forward
- Shown above are three possible phylogenetic trees for species I, II and III reconstructed based on the 4-nucleotide DNA sequences given in the righthand table. In every tree, each hatchmark on a branch represents a single base-change event. The most parsimonious tree would be - A. Both X and Y. B. X. C. Y. D. Both Y and Z. E. Z.arrow_forwardFrom above answer the following and explain why you chose what?A) will you be considering I and J from tree to be monophyletic? B) is E to J on tree form monophyletic group? C) what is sister genus of C and D D) is E and G monophyletic?arrow_forward1. Which describes the modern classification system?a. based on evolutionary relationshipsb. called Linnean classificationc. based on similar appearancesd. called Darwinian classification2. If two organisms are in the same clade, what can you predict about theirrelationship?a. They are not closely related.b. They share a common ancestor.c. They compete for resources.d. One organism evolved into the other organism. 3.Which best describes traditional classification?a. It is based on shared characteristics.b. It is based on evolutionary relationships.c. It is called phylogenetic classification.d. It is called cladisticsarrow_forward
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