1
Q
what are fossils?
A
fossils are hardened remains of living things
2
Q
what are artifacts?
A
artifacts are items made and used by humans
3
Q
after discovering fossils, archeologist would ——– them
A
date, or determine the age of them
4
Q
how did human ancestors develop?
A
they became biped (walked on two legs), grew larger brains, physically changed (stood upright and taller), and used tools
