While classifying organisms, which of the following presents the biggest challenge to a strictly phylogenetic system of classification?
Convergent evolution
Horizontal gene transfer
Fossil record incompleteness
Morphological similarities in unrelated species
Related Questions
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.
Which taxonomic category is just above the level of Family?
Genus
Class
Order
Phylum
Ascending or descending arrangement of taxonomic categories is known as
Classification
Key
Taxonomy
Hierarchy
Arrange the following in the ascending order of Linnaean hierarchy.
Kingdom-Order-Species-Genus-Class-Family-Phylum
Kingdom-Family-Genus-Species-Class-Phylum-Order
Kingdom-Phylum-Class-Order-Family-Genus-Species
Species-Genus-Family-Order-Class-Phylum-Kingdom
In a taxonomic hierarchy, family is interprepated between
Kingdom and class
Class and order
Order and genus
Class and genus
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
In which of the following, the usual taxonomic hierarchy is not followed?
Polypetalae and Gamopetalae
Gamopetalae and Monochlamydae
Monochlamydae and monocots
None of the above
Ascending or descending arrangement of taxonomic categories is known as
Classification
Key
Taxonomy
Hierarchy
Select true statement from the following and choose the right answer from the option given below
I) Human’s scientific name is Homo sapiens
II) Systema naturae is written by John Ray
III) Highest taxonomic categories is division
IV) Taxonomic group of any rank is taxon
V) A group of closely related species of organism represent genus
VI. The term ‘systematic’ was coined by de Candolle
II, III, IV and VI
I, III, V and VI
I, IV and V
II, III and VI
The framework system of classification in which various taxonomic categories are arranged in order of logical sequence is called
Systematics
Classification
Hierarchy
Taxon
