Across
- 2. People dig them up to see what species it is
- 7. newborn/generation
- 8. Study of earths structure
- 10. upper right fingers
- 13. Species or family is extinct
- 14. two phalanges for flying
- 15. beneath the ulna
Down
- 1. shoulder to elbow
- 3. loose particles of rock
- 4. the bones before the phalanges
- 5. Era New life
- 6. Beneath the radius
- 9. Extinct animals with upright limbs
- 11. layers of rock
- 12. time order of events that happened