Across
- 2. chemical reaction that requires oxygen
- 4. molecules necessary for life
- 6. increases in frequency within the population
- 8. light-observing pigment in plants and some protists that is required for photosynthesis
- 10. fuels natural fuels from acient organisms
- 11. dogma a theory stating genetic info only flows in one direction \
- 13. single stranded nucleic acid
- 16. same/alike
- 19. organisms are use energy from sun
- 20. how things work
- 21. molecules found in cells
- 23. chemical reaction that DOES NOT require oxygen
- 25. structure like thread
- 27. garbage disposal
Down
- 1. biological process of copying and making identical copies of something
- 3. apparatus post office
- 5. produce proteins
- 7. membrane
- 8. membrane a protective barrier
- 9. things that forms the chemical reaction
- 11. cycle movement of carbon through earths system
- 12. selection a fundamental concept in biology that explains how species change and adapt over time
- 14. plants convert sunlight into glucose and oxygen
- 15. section of DNA containing instruction for making protein
- 17. bacteria with a natural resistance to the antibiotic to survive and multiply
- 18. a substance that under goes a chemical change during a reaction
- 21. molecules move from high to low concentration
- 22. storing & transporting water
- 24. command center of cell
- 26. the way things are built