Across
- 3. single large step mutation
- 5. embyrological evidence
- 8. wings of birds and insect
- 9. use and disuse of organs
- 10. ape like Evolved 15 mya
Down
- 1. adaptive radiation
- 2. life spores
- 4. caught in south Africa
- 6. influenced Darwin
- 7. effect caused by genetic drift