1. Dog (Canis lupus familiaris): Domestic dogs are descended from wolves and are believed to have been domesticated over 15,000 years ago.
2. Goat (Capra aegagrus hircus): Domestic goats originated from wild goats found in the Middle East and Central Asia. Their domestication dates back to around 8000-10,000 years ago.
3. Sheep (Ovis aries): The ancestor of domestic sheep is the wild mouflon, found in Central Asia. Sheep were domesticated approximately 8,000-11,000 years ago.
4. Cattle (Bos taurus): Domestic cattle are descended from wild aurochs, which roamed Europe, Asia, and Africa. Their domestication occurred about 8000-10,000 years ago.
5. Pig (Sus scrofa domesticus): Domestic pigs are believed to have descended from wild pigs found in Eurasia. Pig domestication occurred around 7000-9000 years ago.
6. Chicken (Gallus gallus domesticus): Domestic chickens are descendants of the wild red junglefowl of Southeast Asia. Chicken domestication is estimated to have taken place over 7000-8000 years ago.
7. Horse (Equus caballus): The ancestor of the domestic horse is the wild horse or tarpan, native to Eurasia. Horse domestication occurred around 3500-5500 years ago.
8. Cat (Felis catus): Domestic cats are believed to have originated from the African wildcat (Felis lybica). Cat domestication is estimated to have begun in ancient Egypt around 7000-9000 years ago.