Across
- 3. outside factors that affect organism survival
- 9. living organisms that affect their surroundings
- 10. an organism's surrounding
- 11. process where only favourable organisms survive
- 12. non-living organisms that affect their surroundings
- 13. change of characteristics overtime
- 17. the death of a species
- 19. how much of a species exist at a time
- 21. a change in DNA from copying mistakes
- 22. extreme values being better than the intermediate
Down
- 1. affects quantitative characteristics
- 2. where to get nutrition
- 4. fighting between living things for resources
- 5. lowercase letter in genealogy
- 6. DNA differences in a population
- 7. greenhouse gasses causes ___ change
- 8. how able is the organism to pass its genes
- 14. capital letter in genealogy
- 15. group of living things that have the similar genes
- 16. hunts prey
- 18. small gene that can cause big change once combined
- 20. can be visualised by capital and lowercase letters