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
In the scientific name Homo sapiens, Homo represents the:
Species
Genus
Family
Order
Which of the following taxonomic category is represented by Solanum in the scientific name solanum tuberosum ?
Family
Genus
Order
Division
The genus includes
Tiger
Felis
Cat
Frog
 Solanum and Panthera are
Genus and species         Â
Genus and genus
Species and species
Only species
 Solanum and Panthera are
Genus and species         Â
Genus and genus
Species and species
Only species
Which of the following statements regarding universal rules of nomenclature is wrong?
Cations are named first, followed by anions.
The oxidation state of a metal is indicated by a Roman numeral in parentheses when necessary.
Numerical prefixes are used to denote the number of atoms of each element in a molecular compound.
The suffix '-ide' is always used for the second element in a binary compound.
The taxonomic category which comes just after species in ascending order of taxonomic hierarchy is
Family
Genus
Order
Division
Two different genera are classified in the same taxonomic category family. Which statement is correct about their classification?
The same class, but different species
A different class and different order
The same phylum, but different class
A different kingdom and different phylum
Which taxonomic category includes related genera?
Order
Class
Family
Phylum
A group of closely related species forms a:
Family
Order
Genus
Class
