Across
- 2. a geologic period during which ice thickly covers vast masses of land
- 3. any wanderer
- 5. the study of human beings similarity to and divergence from other animals
- 7. the species of primate to which modern humans belong
Down
- 1. primitive person
- 4. the proposed extinct species of the human lineage
- 6. any remains or trace of a living thing