Polyphyletic groups are problematic in taxonomy because they:
Include all descendants of a common ancestor.
Include the most recent common ancestor and all its descendants.
Do not include the most recent common ancestor of all members.
Represent a single evolutionary lineage.
Related Questions
Ascending or descending arrangement of taxonomic categories is known as
Classification
Key
Taxonomy
Hierarchy
Which of these represents the correct hierarchical sequence (from broader to narrower)?
Order, Class, Phylum
Class, Phylum, Order
Phylum, Class, Order
Order, Phylum, Class
Which of the following is the correct hierarchical sequence of taxonomic categories?
Kingdom, Phylum, Class, Order, Family, Genus, Species, Domain
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain
Kingdom, Domain, Phylum, Class, Family, Order, Genus, Species
A taxonomist is studying a newly discovered organism. They find it to be eukaryotic, multicellular, heterotrophic, with chitinous cell walls and exhibiting absorptive nutrition. Based solely on these characteristics, to which of the following taxonomic groups could the organism most precisely be assigned?
Kingdom Fungi
Phylum Basidiomycota
Domain Eukarya
Class Ascomycetes
Consider the hierarchical categories: Family, Order, Genus, and Species. Which represents the most inclusive category followed by the most exclusive in the correct order?
Genus, Family
Family, Species
Order, Species
Species, Order
Taxonomic hierarchy refer to
A group of senior taxonomists who decide the nomenclature of plants and animals
Stepwise arrangement of all categories for classification of plants and animals
A list of botanists or zoologists who have worked on taxonomy of a species or group
Classification of species based on fossil record
Taxonomic hierarchy refers to
Stepwise arrangement of all categories for classification of plants and animals
A group of senior taxonomists, who decide the nomenclature of plants and animals
A list of botanists or zoologists, who have worked on taxonomy of a species or group
Classification of a species based on fossil record
Which statement correctly explains the relationship between taxonomic categories and phylogenetic classification?
Taxonomic categories are arbitrary and have no relationship to phylogeny.
Taxonomic categories always perfectly match the branching patterns of phylogenetic trees.
Taxonomic categories ideally reflect evolutionary relationships revealed through phylogenetic analysis.
Phylogenetic analysis is used to create taxonomic categories, but they don't necessarily reflect evolutionary relationships.
Choose the correct sequence in the hierarchy of taxonomic categories in descending order.
Species-genus-family-order-class-division
Division-order-class-family-genus-species
Division-class-family-order-genus-species
Division-class-order-family-genus-species
