1. There have been many different ideas about how to classify living things.
2. Aristotle placed all organisms into 2 large groups - plants and animals, I believe.
B. Determining kingdoms
2. In 1969 an American biologist proposed a 5 kingdom system for classifying organisms, that included Kingdoms Monera, Protista, Plantae, Fungi and Animalia.
Determine Domains
1. The current system used for classifying organisms is called systematics.
2. Organisms are classified into one of 3 Domains - Bacteria, Archaea, and Eukarya - and then into one of 6 kingdoms.
