Learners are introduced to four important fossil finds: the First Family, the Hadar Skull, Lucy, and the Laetoli Footprints. They explore how scientists interpret fossils to try to better comprehend how humans evolved. This activity...

At the online companion Web site of "Evolution," the seven-episode series on PBS, piece together clues to how one of our early ancestors looked as you examine images from four significant fossil finds of Australopithecus afarensis.