a period of time in which early humans made lasting tools and weapons mainly from stone; the earliest known period of human culture
a person who has no settled home
rich in the substances plants need to grow well; describes soil and land
to adapt wild plants for human use; tame wild animals and breed them from human use
early humans made tools of stone, wood and animal bones; scientists think that the stone age lasted until people learned to use metal for tools
surviving by hunting animals; usually men did the hunting
surviving by gathering wild plants; usually women found the plants and seeds
early humans probably discovered fire by rubbing two sticks together or striking stones to get a spark
middle stone age
humans used more refined or advanced tools
new stone age
humans discovered that if they planted the seed of wild grasses new grasses would grow; people began to grow their own food
people could live in one place because they could grow their own food; no longer needed to move like nomads
by taming larger animals such as sheep, goats, and pigs, people developed ready sources of meat, milk, wool, and skins
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