Scientists that study fossils and other clues that may help them reconstruct what past life was like
The process of determining whether an event or object, such as a fossil, is older or younger than other events or fossils
Determining the age of an object or event in years, usually by measuring the amount of unstable atoms in a sample to decay
It's believed that the earth crust is divided into pieces called tectonic plates. The continents ride on top of these plates, moving due to their motion
The time period from 4.6 to about 540 million years ago. During this time scients believe that life arose and changed the planet
Time period from about 248 million to 65 million years ago. Means " Middle Life". Referred to as the "age of reptiles".
A group of mammals that includes humans, apes, monkeys, and prosimians. Have opposable thumbs and binocular vision.
The family referring specifically to humans and several extinct human-like species, some of which were human ancestors
Lived from 2 million to about 200,000 years ago. Spread out along the world, may have lived in caves, built fires, and wore clothing. It is thought that they were successful hunters who could kill and butcher large animals. Were larger brained than Homo Habilis
Early humans that lived in Europe and western Asia from 230,000 to 30,000 years ago. They were good hunters, made fires, wore clothing, cared for the sick and elderly, buried their dead
Lived from 100,000 years ago to near recent day. Are similar to humans today but had larger bones. They were good artists as shown by their cave drawings and sculptures