Chapter 22 Evolution
Across
- 1. Darwin's individual evolutionary success
- 3. Change in DNA
- 8. different traits evolved during different times
- 9. Alleles change randomly
- 10. Similar structures from common ancestors
- 12. Population are successful for interbreeding
- 15. Walking on two feet
Down
- 2. Inherited characteristics better suited
- 4. Preserved past organisms
- 5. Group of same species
- 6. Similar ecological roles and selection pressures
- 7. Getting used to environment
- 11. Life evolved from chemicals
- 13. Descent from a common ancestor
- 14. All genes in a population