Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 20.1, Problem 1TYK
Summary Introduction
Introduction:
Species concept gives an understanding about how species form and providing an approach to distinguish two species from one another. There are several concepts regarding these species concepts which are proposed by several naturalists according to their findings and perceptions.
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The biological species concept primarily focuses on which of the following criteria for defining a
species?
Interbreeding and reproductive isolation
Phylogenetic relationships
Ecological roles
Morphological similarities
What 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 ancestry
The biological species concept defines a species by its morphology. In other words all members of the same species look alike? True or false?
Chapter 20 Solutions
Principles of Biology
Ch. 20.1 - Prob. 1CCCh. 20.1 - Prob. 1TYKCh. 20.1 - Prob. 2TYKCh. 20.2 - Prob. 1BCCh. 20.2 - Is this an example of a prezygotic or a...Ch. 20.2 - Is this an example of a prezygotic or a...Ch. 20.2 - Prob. 1TYKCh. 20.2 - Which of the following is not an example of a...Ch. 20.3 - Prob. 1BCCh. 20.3 - Prob. 1CC
Ch. 20.3 - Which of the following is an example of allopatric...Ch. 20.3 - Prob. 2TYKCh. 20.4 - Prob. 1CCCh. 20.4 - Prob. 2CCCh. 20.4 - Prob. 1TYKCh. 20 - Macroevolution refers to evolutionary changes that...Ch. 20 - Prob. 2TYCh. 20 - Prob. 3TYCh. 20 - Prob. 4TYCh. 20 - Prob. 5TYCh. 20 - Prob. 6TYCh. 20 - Prob. 7TYCh. 20 - Prob. 8TYCh. 20 - Prob. 9TYCh. 20 - Evolutionary changes in the rate or timing of...Ch. 20 - Prob. 1CCQCh. 20 - Compare and contrast different mechanisms of...Ch. 20 - A principle of biology is that populations of...Ch. 20 - Prob. 1CBQCh. 20 - Discuss the type of speciation (allopatric or...
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- A group of individuals that can interbreed in nature and produce viable offspring would be considered to be a species according to the Ophylogenetic species concept. Obiological species concept. evolutionary species concept. Oecological species concept. general lineage concept.arrow_forwardOf 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 conceptarrow_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
- 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_forwardDistinguish between morphological,phylogenetic and biological species concept. What are the advantages and disadvantages of each . What ration is common to each of the species definition that we considered? Why do species definition matter in conversation biologyarrow_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_forward
- To describe: The biological species concept and discuss its limitations.arrow_forwardThere are a lot of pros and cons to using the biological concept. It is only one out of several types of concepts used to define a species. What would be the main criterion used for determining / differentiating between species? gene flow niche differences geographical isolation morphological similarityarrow_forwardSpecies concepts – morphological vs. biological vs. phylogenetic vs. ecological – what are problems with each? Which is most frequently used to identify species?arrow_forward
- Discuss the advantages and limitations of the morphological species concept in defining species.arrow_forwardThe biological species concept distinguishes two species based on the degree of genetic exchange between their gene pools. True Falsearrow_forwardWhat notion is common to morphological, phylogenetic and biological species conceptarrow_forward
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