Across
- 3. ability to survive
- 7. changes in DNA
- 10. ability to survive in a particular environment
- 11. functional role in the community
- 12. the formation of new and distinct species
Down
- 1. number of animals or humans
- 2. moving or leaving causes change
- 4. living beings
- 5. change over time
- 6. the death of the last member
- 8. a large group of organisms
- 9. DNA codes for specific traits