Civilization and Early Human History Vocabulary

Vocabulary flashcards covering early human origin, migration routes out of Africa, hunter-gatherer societies, the Neolithic transition to agriculture, characteristics of civilization, and the four major ancient river valley civilizations based on Unit 1 lecture notes.

Historian

A scholar who studies and writes about the past.

Archaeologist

A scholar who studies past cultures and human history by examining physical remains, excavating sites, and analyzing artifacts.

Anthropologist

A scholar who studies human societies and their culture, including human behavior and how people interact with each other and their environment.

Primary Source

A document or record of past events created by people who were present during those events or during that time period.

Secondary Source

A document created later in time, often by scholars or experts who were not present or alive during that period.

Nomadic Group

A group of hunter-gatherers that moves from place to place as needed to maintain their food supply rather than settling permanently.

Civilization

A complex society where people permanently settle in one place, featuring interconnected parts such as advanced cities, specialized jobs, social hierarchy, writing, art and architecture, public works, complex religions, and organized central government.

Cultural Diffusion

The spread of culture, beliefs, ideas, traditions, languages, or social activities from one group or community to another through trade, migration, technology, and communication.

Four Types of Cultural Diffusion

Contagious diffusion, hierarchical diffusion, stimulated diffusion, and relocation diffusion.

Eight Characteristics of Civilization

Advanced cities, organized central government, complex religions, job specialization, social classes, writing, art and architecture, and public works.

Cradle of Civilization

A term for Mesopotamia (located in modern-day Iraq), which was home to the world's most ancient, highly developed, and socially complex societies.

Sumerians

An ancient culture that emerged around $3,500\text{ BCE}$ along the Tigris and Euphrates rivers in Mesopotamia (modern-day Iraq), known for inventing cuneiform script, the sailboat, the plow, and the lunar calendar.

Cuneiform

The world's oldest writing system, invented by the Sumerians of Mesopotamia.

Hieroglyphics

An early system of writing developed by the ancient Egyptian civilization along the Nile River.

Bab el-Mandeb Strait

A narrow, shallow channel around $30\text{ km}$ wide during the last ice age, located between Djibouti/Eritrea and Yemen, identified as a candidate southern route for human migration out of Africa.

Humid Corridor

Periods of wet, humid climate around $115,000\text{ years ago}$ and $10,000\text{ years ago}$ that created huge lakes in Chad and Libya, providing a northern migration route across the Sahara desert.

Homo sapiens Migration (Out of Africa)

The exodus of early humans from Africa starting around $60,000\text{ years ago}$, driven by climate changes, drier conditions, and following migrating plants and animals.

Beginning of Agriculture

The momentous shift occurring around $10,000\text{ years ago}$ when humans turned to farming, growing large-grain cereal crops like wheat and barley and domesticating animals like goats, sheep, and cattle.

Mesopotamia

The ancient river valley civilization located in modern-day Iraq along the Tigris and Euphrates rivers.

Ancient Egypt

The ancient river valley civilization located along the Nile River in Egypt, known for developing hieroglyphics, pyramids, mathematics, and medicine.

Indus Valley Civilization

The ancient river valley civilization located in modern-day Pakistan and western India along the Indus and Ganges rivers, known for planned cities, plumbing, and sewage systems.

Ancient China

The ancient river valley civilization settled along the Huang He (Yellow River), known for developing writing skills, cast iron, and early forms of money.

Species Extinction Rate on Earth

More than $99\%$ of all species, amounting to over $5\text{ billion}$ species that ever lived on Earth, are estimated to be extinct.

Early Prehistory Period

The first main era of human history, which ended with the invention of writing.

Ancient History Period

The second main era of human history, which ended with the fall of the Western Roman Empire.

Middle Ages Period

The third main era of human history, which ended when Christopher Columbus arrived in the Americas.

Early Modern Period

The fourth main era of human history, marked by the War of Independence leading into the modern era today.