Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Chapter 23, Problem 6S
AID:1825 | 10/04/2018
6. In what sense does the biological species concept focus on evolutionary mechanisms and the phylogenetic species concept on evolutionary patterns? Which, if either, is correct?
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Chapter 23 Solutions
Biology
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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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
- A study of two populations of similar organisms determined that the two populations were different species using the phylogenetic species concept. Is it possible for the two populations to also be defined as two different species using the biological species concept? Explain your answer.arrow_forwardWhich definition of "species" is considered the most accurate, as it based on the irreducible grouping of organisms within which there is a pattern of ancestry and descent?arrow_forwardWhat is the relationship between the concept of reproductive and geographical isolation and the concept of species? Illustrate and give concrete examples.arrow_forward
- Compare and contrast the Biological and Morphological Species Concept, including similarities and differences.arrow_forwardWhich species concept defines a species as a group of individuals that can reproduce and produce fertile offspring? Morphological species concept Darwinian species concept Phylogenetic species concept Biological species conceptarrow_forwardBased on the phylogenetic tree, if you go back in time and look for species B, you will find that species B is not chimpanzee, gorilla, or human. True or falsearrow_forward
- Please use and cite any source(s) you can find to answer the following questions:1. List and describe the different ways in which species are defined.2. Explain how each of the following makes it difficult to clearly define a species: variation within aspecies, geographically isolated populations, asexual species, fossil organisms.3. List and describe the pre-zygotic barriers as well as the post-zygotic barriers.4. Explain why allopatric speciation would be less likely on an island close to a mainland than on a moreisolated island.arrow_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_forwarda) How many of the gene trees do you expect to look like the species tree? b) You observe three gene trees in which species X and Z are the closest relatives and seven gene trees where X and Y are the closest relatives. What can you conclude from these data? Group of answer choices Historical hybridization between species W and X Historical hybridization between species X and Y Historical hybridization between species X and Z Historical hybridization between species Y and Zarrow_forward
- In what sense does the biological species concept focus on evolutionary mechanisms and the phylogenetic species concept on evolutionary patterns? Which, if either, is correct?arrow_forwardexplain the difference between allopatric and sympatric speciation, and describe each process?arrow_forwardGive 3 examples each on plant and animal hybrid species and provide details on parental species, the reason for hybridization, and significance to the society.arrow_forward
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