LINNAEUS SYSTEM OF CLASSIFICATION

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Linnaeus System of Classification

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TAXONOMY

- is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world. Using morphological, behavioural, genetic and biochemical observations, taxonomists identify, describe and arrange species into classifications, including those that are new to science.

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WHAT IS THE LINNAEUS'S SYSTEM OF CLASSIFICATION?

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The Linnaean system is based on clear physical similarities. From the kingdom to the species, it is organized into a taxonomic hierarchy. Each species is given a two-word Latin name that is unique to it.

The Linnaean system of classification consists of a hierarchy of groupings, called taxa(singular, taxon). Taxa range from the kingdom to the species.

Who created the Linnaean system of classification?

Carolus Linnaeus

1. KINGDOM

• The most inclusive among the Linnaean taxa.
• The kingdom is the largest and most diverse confederation.
• It is made up of creatures with just a few fundamental characteristics in common.
• During Linnaeus’s time, he only classified two kingdoms, namely, Kingdom Animalia and Kingdom Plantae.
• It includes the following: eubacteria, archaebacteria, fungi, plants, and animals.
• The classification of this taxon is based mainly on the structure.

2. PHYLUM

• Kingdoms are made up of different phyla ( singular: phylum).
• Phylum is one of the major taxa used in classifying organisms that share important characteristics, which include their body plans.
• For example, Phylum Chordata is composed of different organisms with vertebrae.
• This phylum consists of one or more similar classes.
• The word division is a counterpart of phylum, which is more commonly used in plants.

3. CLASS

• A class is a subdivision of a phylum.
• It is a taxon that broadly includes the major organisms that are distinct from other organisms internally and extremely.
• For, example, Class Mammalia includes animals that are warm-blooded, can produce milk for their young, and have body hair.
• A class is composed of a similar order

4. ORDER

• An order is a broad taxon composed of a number of similar families.
• In this taxon, organisms are generally classified based on their characteristics.
• Animals are classified as carnivores, herbivores, or primates.

5. FAMILY

• A family is a taxon that includes one or more genera that share a common phylogenetic origin.
• This consists of a number of genera with similar characters.
• This designates a category of classification that is fairly precise.

6. GENUS

• A genus is a taxon that includes one or more species with common phylogenetic traits.
• This is used as the first part of the scientific name.

7. SPECIES

• The species is the basic unit of classification.
• This is used as the specific epithet in the scientific name.
• This taxon is made up of organisms that can both interbreed and produce fertile offspring.

Domain is a taxon that is larger and more inclusive than the kingdom. Most biologists agree there are three domains of life on Earth: Bacteria, Archaea, and Eukaryota

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