Campbell Biology: Concepts & Connections, Books a la Carte Edition (9th Edition)
9th Edition
ISBN: 9780134442778
Author: Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan, Jane B. Reece
Publisher: PEARSON
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Textbook Question
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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Students have asked these similar questions
Which 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?
When species arise as a result of changes in chromosome number that make them incompatible with the parental species, it is referred to as
• hybrid reinforcement
• hybrid speciation
• homoploid hybrid speciation
• polyploid hybrid speciation
• pre-zygotic isolation
What name is used to describe a species that exhibits the ancestral state for every trait observed?
options:
outgroup
ingroup
sister species
homologous species
Chapter 14 Solutions
Campbell Biology: Concepts & Connections, Books a la Carte Edition (9th Edition)
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 - According to the biological species concept,...Ch. 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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- The reproductive isolating mechanism in which two closely related species live in the same geographic area but reproduce at different times is (a) temporal isolation (b) behavioral isolation (c) mechanical isolation (d) gametic isolation (e) hybrid inviabilityarrow_forwardOver time, enough genetic variations can develop within a population to cause it to undergo speciation. Identify the various mechanisms that will prevent different species from being able to reproduce successfully. Which of these mechanisms is the most influential in keeping species sperate?arrow_forwardDescribe the steps necessary for geographic isolation to lead to speciation.arrow_forward
- Explain into details the concept of speciation .arrow_forwardUnder which of the following conditions is a population most likely to evolve? phenotypic variation random mating no gene flow a large population genetic drift What does hybrid sterility refer to? temporal isolation mechanical isolation allopatric speciation a prezygotic isolating mechanism none of the abovearrow_forwardDefine two modes of speciation and give examples of each.arrow_forward
- Which is mandatory for speciation to occur? • reproductive isolation • migration •divergence in traits •geographic isolation vicariancearrow_forwardWhich species on the chart (A,B,C,D,E,F,) is the common ancestorarrow_forwardA polytomy of three taxa indicates three descendants evolved from their immediate common ancestor. True or Falsearrow_forward
- All species, both past and present, are related to one another through a(n) ______ history.arrow_forwardDiscuss the advantages and limitations of the morphological species concept in defining species.arrow_forwardGive a detailed conclusion on the topics morphological, phylogenetic and biological species conceptsarrow_forward
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