Across
- 3. an animal that is being preyed on
- 4. modification the process of altering the genetic material of an organism
- 7. the process where an organism becomes better suited to its environment over time
- 8. specific characteristics
- 10. animals that prey on others
- 11. selection observed in nature
- 13. of the fittest, the continued existence of organisms
- 14. an organism produced through reproduction
Down
- 1. selection, selective breeding
- 2. all kinds of living species
- 5. the practice of cultivating the land and raising crops
- 6. the natural environment where an organism lives
- 9. an individual plant, animal, or living cell
- 12. the founder of natural selection