The Living World — Part 2: Binomial nomenclature and systems of classification: visual lesson, ISC Class 11 Biology

Lesson

Names and systems

Part 2: how organisms are named, and the ideas that guide how they are grouped.

In this lesson you will

Write scientific names correctly following the rules of binomial nomenclature
State two advantages of scientific names over common names
Compare artificial, natural and phylogenetic systems by the characters each uses

Concept

Binomial nomenclature

Every species gets a two-word Latin or latinised name, introduced by Carolus Linnaeus. His Species Plantarum of 1753 came 18 years after Systema Naturae.

Table of the parts of a binomial
Part of the name	Meaning
First word	Genus, a group of related species
Second word	Species epithet, which marks one species within the genus
Author citation	Abbreviated name of the person who first described the species

Diagram

Parts of a scientific name

Take the mango, Mangifera indica Linn. Notice the capital letter, the small letter and the roman author.

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