BIOLOGY VOL. II
16th Edition
ISBN: 9781308795317
Author: Raven
Publisher: Mcgraw-Hill/Create
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Textbook Question
Chapter 23, Problem 8U
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.
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Students have asked these similar questions
Monophyletic 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 parsimonious
In 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, paraphyletic
Q1: It is a group descending from one common ancestor
A. Monophyletic
B. Polyphyletic
C. Periphyletic
D. Paraphyletic
Q2: It is a group descending from more than one ancestors
A. Monophyletic
B. Periphyletic
C. Paraphyletic
D. Polyphyletic
Q3: Which of the following characters is not homologous to a bird’s wings?
A. A human’s limbs
B. A butterfly’s wings
C. A bat’s wings
D. A whale’s flippers
Chapter 23 Solutions
BIOLOGY VOL. II
Ch. 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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- 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.arrow_forwarda. draw a diagonal tree b. Which organism is an outgroup? c. Which organisms are sister taxa or share a common ancestor?arrow_forwardWhich of the following assumptions is not part ofcladistics?a. A lineage’s characters change over time.b. All species share common ancestry.c. Each lineage branches from another lineage.d. Similar body parts are evidence of a recentdivergencearrow_forward
- A taxon composed of all species derived from a common ancestoris referred to asa. a phylum.b. a monophyletic group or clade.c. a genus.d. an outgroup.e. all of the abovearrow_forwardWhich of the following is TRUE about a phylogenetic tree? It provides a drawing the reflects the proven relationships between living and extinct species. b It provides a hypothetical model of the relationships between extinct species. c It provides a hypothetical model of the relationships between living and extinct species. d It a diagram used by scientists that provides a model of evolutionary relationships without the need for scientific data.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_forward
- Which of the following terms is related to cladistics?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_forwardPhylogeny refers to the evolutionary descent of taxa. It refers to the relationship between ancestors and descendants and relationships among descendant taxa. It shows the lineage of taxa which can be summarized in a branching diagram called a phylogenetic tree.a. express some basic evolutionary relationships among groups of microorganisms, plants, and animals; b. illustrate the relationship of organisms with their environment; and c. analyze environmental factors contributing to biodiversity richness and lossarrow_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_forwardIn 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.arrow_forwardBased on cladistic analysis: 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
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