Campbell Biology: Conc. and Conn. - Access
8th Edition
ISBN: 9780321946850
Author: Reece
Publisher: PEARSON
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Chapter 14, Problem 13TYK
Explain how each of the following makes it difficult to clearly define a species: variation within a species, geographically isolated populations, asexual species, fossil organisms.
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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.
Discuss the advantages and limitations of the morphological species concept in defining species.
Of the following species concept, which one emphasizes reproductive isolation as the major cause for
speciation?
Phylogenetic species concept
Morphological species concept
Biological species concept
Evolutionary species concept
Chapter 14 Solutions
Campbell Biology: Conc. and Conn. - Access
Ch. 14 - Name the two types of speciation represented by...Ch. 14 - Fill in the blanks in the following concept map.Ch. 14 - Which concept of species would be most useful to a...Ch. 14 - Prob. 4TYKCh. 14 - Bird guides once listed the myrtle warbler and...Ch. 14 - Which of the following is an example of a...Ch. 14 - Biologists have found more than 500 species of...Ch. 14 - A new plant species C, which formed from...Ch. 14 - A horse (2n = 64) and a donkey (2n = 62) can mate...Ch. 14 - What prevents horses and donkeys from hybridizing...
Ch. 14 - When hybrids produced in a hybrid zone can breed...Ch. 14 - Which of the following factors would not...Ch. 14 - Explain how each of the following makes it...Ch. 14 - Explain why allopatric speciation would be less...Ch. 14 - What does the term punctuated equilibria describe?Ch. 14 - Can factors that cause sympatric speciation also...Ch. 14 - Cultivated American cotton plants have a total of...Ch. 14 - Prob. 18TYKCh. 14 - Prob. 19TYK
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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
- Identify the key components, inherent assumptions, and drawbacks for the three major species concepts. Phylogenetic species concept Biological species concept General lineage species concept Answer Bank requires interbreeding individuals does not work well if there is high morphological variation in a species defines species as a metapopulation that exchanges alleles and shares an evolutionary lincage defines species by morphological characteristics may group morphologically different populations as the same species only applies to species that reproduce sexually defines species as a group that possesses distinguishing characteristics from other groupsarrow_forwardFor each of the following organism scenarios, select the species concept that is most applicable for distinguishing species. Bacteria African elephants Fossil organisms Closely related bird species occupying different habitats [Choose ] [Choose ] [Choose ] [Choose ] ◄► ◄►arrow_forwardA species is a group of individual organisms that interbreed and produce fertile, viable offspring. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring. Evolution is an important mechanism in the formation of new species. The evolution of a new species requires several components including all, BUT A) Evolution of a new species requires a long time. B) Evolution of a new species requires the need for a genetic change. C) Evolution of a new species requires a separation that prevents interbreeding. D) Evolution of a new species requires mutations that produce new genetic traits. not graded use photoarrow_forward
- Which of the following sets of evidence supports the idea that species share common ancestry? Similar modern species are often found living in the same areas Different species share similarities at the genetic, developmental, and structural level Modern populations can be observed diverging from one another, indicating the start of speciation All of the abovearrow_forwardThe biological species concept defines a species by its morphology. In other words all members of the same species look alike? True or false?arrow_forwardWhich of the following concepts applies to both sexual and asexual species? Select all that apply. Question 29 options: Linnean species concept Phylogenetic species concept Fossil species concept Biological species concept Morphological species conceparrow_forward
- If the phylogenetic species concept (PSC) were used to define species, rather than the biological species concept (BSC), how might that change the estimates of species diversity (numbers of species) on a worldwide basis? True or False: Estimates of species diversity are likely to change if the PSC is used. In particular, one would expect the number of species to increase. This is because individuals from divergent allopatric populations that can potentially interbreed would belong to the same species under the BSC. These same organisms would be classified as members of different species under the PSC.arrow_forwardWhat criteria are used in the biological species concept to define a species? Choose all that apply.- live in same habitat - have same niche - produce viable offspring - have similar genetics - look similar - produce fertile offspring - have similar ancestryarrow_forwardThe biological species concept is based on the assumption that species are reproductively isolated and do not share genes. And yet a number of organisms that are considered different species hybridize (mate and exchange genes). Hybridization between different species is more common in plants than in animals. Propose some possible reasons for this difference.arrow_forward
- Asaparrow_forwardDescribe how pre-zygotic, post-mating and post-zygotic isolation mechanism lead to variation and eventual speciation.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_forward
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