1. Domain: The largest and most inclusive taxonomic rank. The three domains are Bacteria, Archaea, and Eukarya.
2. Kingdom: A large group of related organisms. Within each domain, there are multiple kingdoms. For example, the domain Eukarya contains kingdoms like Animalia, Plantae, Fungi, and Protista.
3. Phylum: A group of related classes. For example, the phylum Chordata includes all animals with a backbone.
4. Class: A group of related orders. For example, the class Mammalia includes all mammals.
5. Order: A group of related families. For example, the order Primates includes all monkeys, apes, and humans.
6. Family: A group of related genera. For example, the family Felidae includes all cats.
7. Genus: A group of closely related species. For example, the genus *Panthera* includes lions, tigers, leopards, and jaguars.
8. Species: The most basic unit of classification. A species is a group of organisms that can interbreed and produce fertile offspring.
Mnemonic: "King Phillip Came Over For Good Soup" (Kingdom, Phylum, Class, Order, Family, Genus, Species)
