Taxonomic Hierarchy
Taxonomic hierarchy was introduced by Carolus
Linnaeus. It is the arrangement of various taxonomic levels in descending order
starting from kingdom up to species.
Species is the
lowest of classification and shows
the high level of similarities among the organisms. For example, Helianthus annuus and Helianthus tuberosus. These two species differ in
their morphology. Both of them are
herbs but Helianthus tuberosus is a
perennial herb.
Genus consist
of multiple species which have
similar characters but differ from the species of another genus. Example: Helianthus, Tridax.
Family comprises
a number of genera which share some
similarities among them. Example: Asteraceae.
Order includes
group of families which show less
similarities among them.
Class consists
of group of orders which share few
similarities.
Division is the
next level of classification that
consists of number of classes.
Example: Magnoliophyta.
Kingdom is the
highest level or rank of the
classification. Example: Plantae
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