Biological Species Concept.
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In the species concept what are the two types?
This quiz focuses on the Biological Species Concept, exploring key classifications such as evolutionary and phylogenetic species concepts. It tests understanding of species differentiation and evolutionary relationships, essential for learners in evolutionary biology.
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A single lineage of ancestral-descendant populations that maintain its identity from other lineages and that has its own evolutionary tendencies and fate.
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Monophyletic Species
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Evolutionary Species
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Polyphyletic Species
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Phylogenetic Species
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Paraphyletic Species
Correct Answer
A. Evolutionary SpeciesExplanation
The term "evolutionary species" refers to a single lineage of ancestral-descendant populations that maintain their identity from other lineages. This means that these populations have distinct evolutionary tendencies and fate, separate from other lineages. Unlike polyphyletic species, which include multiple lineages with different ancestors, and paraphyletic species, which include some but not all descendants of a common ancestor, evolutionary species represent a cohesive and distinct group within the evolutionary tree. Therefore, the correct answer is "Evolutionary Species."Rate this question:
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- 3.
The three groupings of the phylogenetic species concept are___________, ____________ and _____________.
Correct Answer
monophyletic, polyphyletic, paraphyleticExplanation
The three groupings of the phylogenetic species concept are monophyletic, polyphyletic, and paraphyletic. These groupings are based on the evolutionary relationships among organisms. Monophyletic groups include a common ancestor and all of its descendants, while polyphyletic groups include organisms that do not share a recent common ancestor. Paraphyletic groups include a common ancestor and some, but not all, of its descendants. These groupings help scientists classify and understand the evolutionary history of different species.Rate this question:
- 4.
What is the condition that make it a monophyletic grouping?
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The condition that a group of organisms (taxon) contain the most recent common ancestors of all the group and its descendants.
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The condition that a group of organisms (taxon) does not contain the most recent common ancestor of all the members of the group.
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The condition that a group of organisms contains the most recent common ancestor of all the members of the group, but excludes some of the descendants of that ancestor.
Correct Answer
A. The condition that a group of organisms (taxon) contain the most recent common ancestors of all the group and its descendants.Explanation
A monophyletic grouping is characterized by the condition that it contains the most recent common ancestor of all the group and its descendants. This means that all members of the group share a common ancestor and are descended from it. This condition ensures that the group represents a single evolutionary lineage, with no members excluded or having different ancestry.Rate this question:
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- 5.
An irreducible grouping of organisms distinct from other groupings within which there is a parental pattern of ancestry and descent.
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Monophyletic
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Polyphyletic
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Phylogenetic
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Evolutionary
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Paraphyletic
Correct Answer
A. PhylogeneticExplanation
Phylogenetic refers to an irreducible grouping of organisms that is distinct from other groupings and follows a parental pattern of ancestry and descent. It involves studying the evolutionary relationships between different species and constructing a tree-like diagram called a phylogenetic tree. This tree represents the evolutionary history and common ancestry of the organisms.Rate this question:
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- 6.
Define the Biological Species Concept.
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Current Version
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Mar 21, 2023Quiz Edited by
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Sep 15, 2010Quiz Created by
Colleennicole
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