front 1 megaliths | back 1 huge stone monument |
front 2 agriculture | back 2 farming |
front 3 domestication | back 3 the process of changing plants or animals to make them more useful to humans |
front 4 Neolithic Era | back 4 the New Stone age ; when people learned to make fire and tools like saws and drills |
front 5 Mesolithic Era | back 5 the Middle part of the Stone age; marked by the certain of smaller and more complex tools |
front 6 land bridges | back 6 a strip of land connecting two continents |
front 7 ice ages | back 7 long periods of freezing weather |
front 8 migrate | back 8 to move to a new place |
front 9 hunter- gatherers | back 9 people who hunt animals and gather wild plants, seeds, fruit, and nuts to survive |
front 10 society | back 10 a community of people who share a common culture |
front 11 Paleolithic Era | back 11 the first part of the stone age; when people first used stone tools |
front 12 tool | back 12 an object that has been modified to help a person accomplish a task |
front 13 ancestor | back 13 relative who lived in the past |
front 14 hominid | back 14 an early ancestor of humans |
front 15 prehistory | back 15 the time before there was writing |