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