History of Classification
Beginning to Now
350 BC Aristotle
Divided the organisms into 2 groups: plants and animals.
Divided animals into blood and bloodless.
Divided animals into walking, flying, and swimming
350 BC Theophrastus
Continued Aristotle’s work by classifying plants into trees, shrubs, herbaceous perennials, and herbs.
1570 Andrea Cesalpino
Classified plants by their fruits and seeds
1580 Gaspard Bauhin
Described six thousands species
Grouped them into genus and species
First scientist to use binomial nomenclature in classification of species
1750 Carl (Carolus) Linnaeus
Divided living things into two kingdoms: plants and animals
Divided each kingdom into genera
Divided each genus into species
1969 Thomas Whittaker
Developed the five kingdom system
Divided into animals, plants, bacteria, fungi, and protista
1980 Carl Woese
Altered the five kingdoms into three domains: bacteria, archea, and eukaryote