The First Agricultural Revolution was the first time human society transferred from hunting and fishing to farming. It started in about 11,000 BC. Humans began to settle in a one area of land and cultivate it, plant crops and raise livestock. It changed the way humans live because they had a easy way to get meat and could grow there own food instead of trying to hunt and find it. They grew wheat
The second agricultural revolution (Industrial revolution) started in 1815 and introduced the steam powered and gas powered tractor and new and faster ways for harvesting crops.
The third agricultural revolution started in the 1980´s and changed how we farmed by modifying plants and making it easier to harvest and planting crops in new technologies in farming equipment
Pros-resistance to insects, tolerance to heat, cold or drought and crop yield
Cons- Allergies and can cause cancer