Fossils, clues to the past
Fossils, clues to the past [motion picture] /
National Geographic Society.
- Washington, D.C. : National Geographic Society, Educational Services, c1983.
- 1 film reel : sd., col. ; 16 mm.
Intended audience: Grades 7-12 and adults. Issued also as videorecording.
Dr. Donald C. Johanson discusses what a fossil is and some of the ways in which they are formed. He also discusses what fossils reveal and how scientists determine their age.
Paleontology.
Intended audience: Grades 7-12 and adults. Issued also as videorecording.
Dr. Donald C. Johanson discusses what a fossil is and some of the ways in which they are formed. He also discusses what fossils reveal and how scientists determine their age.
Paleontology.