Across
- 3. nutrient, used inn phosphates or nucleic acids, often limited supply
- 5. type of organism that eats other organisms to obtain energy
- 8. second step of photosynthesis, uses energy in ATP and NADH to make glucose from CO2
- 11. Adenosine disphosphate
- 16. Second step of anaerobic respiration, 2 types
- 18. First step in photosynthesis
- 19. process of breaking down glucose to make ATP, starts with C6H12O6
- 21. all the gases surrounding the Earth
- 22. all soil and rock on Earth
- 23. first step in aerobic respiration, breaks down glucose
- 25. nutrient, used in proteins and nucleic acids, must be fixed for living things to use
- 26. organism that breaks down biotic compounds, recycler
- 27. organelle, site of photosynthesis
Down
- 1. organelle, site of steps 2 and 3 in aerobic respiration
- 2. type of organism that is able to make its own food
- 3. process of using light energy to make glucose starts with CO2 + H2O
- 4. nutrient, forms the backbone for all macromolecules
- 6. third step of aerobic respiration, nadh and fadh2 from previous reactions are used to make 32 units of ATP
- 7. substances created during a chemical reaction, made from reactants
- 9. Adenosine Triphosphate
- 10. substances at the beginning of a chemical reaction, changed into products
- 12. all water on Earth
- 13. situation in which oxygen isn't present
- 14. second step of aerobic respiration, pyruvate is broken down
- 15. anything that takes up space and has mass
- 17. all life on Earth.
- 20. situation in which oxygen is present
- 24. pigment in chloroplast used to trap light energy during photosynthesis