A method of dating once living things through radioactive carbon, because scientists know the the rate of carbon decay.
The first part of the stone age, beginning 2.5 million years ago with the first toolmaking by homo habilis
a member of a nomadic group whose food supply depends on hunting animals and collecting plant foods.
The first prehuman hominids, 4.4 million years old, found in Southern Africa. No evidence that they ever used tools.
Lived 2.5 - 1.5 million years ago, and were first to use tools. Had larger brains then Australopithecus and were more physically and mentally advanced. Lived in Africa.
Lived 1.8 million - 30,000 years ago. Mostly scavengers and first to make fire and clothing. Originally lived in Africa but some migrated to Europe and Asia.
The first homo sapiens, lived 200,000 to 29,000 years ago. Mostly nomadic hunter-gatherers, had more sophisticated tools, and were culturally advanced.
Earliest Homo Sapiens Sapiens - aka humans, hunter-gatherers. Had first cave paintings in Lascaux cave
A species of human, 3 feet tall, found on a remote Indonesian Island. Lived 13,000 years ago. They had small brains but sophisticated tools and were intelligent.
Single Species Hypothesis
A belief that only one hominid species could live at a time, now known to be false.
ability to represent and think about external objects and events in one's mind
When calls act as stimuli to trigger desired responses from others about what is happening in the present