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HomeHomework HelpbiologyTaxonomic Hierarchy

Taxonomic Hierarchy

Taxonomic hierarchy refers to the systematic classification of living organisms into a ranked structure, starting from the broadest category, the domain, and progressing through kingdom, phylum, class, order, family, genus, and finally to the most specific level, species. This hierarchical framework organizes biological diversity and reflects evolutionary relationships among organisms.

beginner
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Biology
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Overview

Taxonomic hierarchy is a systematic way of classifying living organisms into groups based on shared characteristics. It starts from broad categories like domains and kingdoms and narrows down to specific species. This classification helps scientists communicate effectively about different organisms ...

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Key Terms

Taxonomy
The science of classification of living organisms.

Example: Taxonomy helps in organizing species into groups.

Domain
The highest taxonomic rank, grouping organisms based on fundamental differences.

Example: Eukarya includes all organisms with eukaryotic cells.

Kingdom
A major taxonomic category that groups organisms sharing certain characteristics.

Example: The Animalia kingdom includes all animals.

Phylum
A taxonomic rank below kingdom, grouping organisms based on major body plans.

Example: Chordata is the phylum that includes vertebrates.

Species
The most specific taxonomic rank, identifying a single type of organism.

Example: Homo sapiens is the species name for humans.

Genus
A taxonomic category that groups species that are closely related.

Example: The genus Panthera includes big cats like lions and tigers.

Related Topics

Evolutionary Biology
Study of the processes that have led to the diversity of life on Earth.
intermediate
Ecology
The study of interactions between organisms and their environment.
intermediate
Genetics
The study of heredity and the variation of inherited characteristics.
advanced

Key Concepts

DomainsKingdomsPhylaSpecies