Across
- 5. the creation of a new species from an existing species
- 7. Gradual Change
- 8. To fight over resources
- 9. Organisms living nearby depend on each other
- 11. Hold together two strands of the DNA double helix together.
- 14. too many organisms for the resources available
- 16. Substance that promotes plat growth
- 17. on fire
- 21. Specific sequences of DNA that cales for proteins
- 22. the spread of something more widely
- 24. structure in the Nucleus
- 26. natural process where carbon atoms circulate around earth
- 27. to stay alive
- 29. kills bacteria
- 30. The action of breathing
Down
- 1. kills/repels insects
- 2. Species separated by a physical barrier
- 3. Molecule that carries the genetic blueprint
- 4. How often something happens
- 6. Immunity/tolerance/not affected by
- 10. Enough resourses for population standstill
- 12. Survival of the fittest
- 13. looks like DNA but one stranded
- 15. Describes the flow of genetic info within a biological system.
- 18. Natural fuels such as coal or gold
- 19. the process where plants and other organisms turn light energy to chemical energy
- 20. A limiter, prevents something from becoming big
- 23. the state or process of rotting;decay
- 25. Process where DNA copies itself.
- 28. New plants and animals take over the area