Science
Domains and kingdoms.
Definition
The three-domain system classifies all life into Bacteria, Archaea, and Eukarya based on fundamental cellular differences. Within Eukarya, organisms are further classified into kingdoms including Protista, Fungi, Plantae, and Animalia.
Examples
Real-world.
- 1 Bacteria and Archaea are both prokaryotic but differ in cell wall composition and genetics
- 2 Mushrooms belong to Kingdom Fungi in Domain Eukarya
- 3 Extremophiles living in hot springs belong to Domain Archaea