Chapter 1 Lesson 1 Ancient American Civilizations
Scientists say that about _ years ago, people began traveling here from Asia. 15,000 2,500 25,000 In this way, people were able to _, or travel, from Asia to North America. migrate culture irrigation A _ is a set of beliefs and way of life that is special to a certain group. culture migrate hunter-gatherer Historians think that the people who first came to the Americas were _-_. kings hunter-gatherer scientists They began to practice _, which means they planted and raised their own food. culture irrigation agriculture Cultures with these complex ways of life are called _. irrigation civilizations migration The Mayan civilization rose about 4,000 years ago in what we now call _ _. Mexico City Central America Mayan The Aztecs were skilled _. farmers hunters workers They built systems for bringing water to dry fields. This is called _. agriculture irrigation migrate The Ancient Puebloan or _ culture first appeared about 2,000 years ago. Anasazi Mayan Americans