Across
- 2. green pigment that is necessary for the reactions in photosynthesis
- 4. chemical reaction that breaks down sugars and releases chemical energy
- 5. a type of chemical reaction that can happen without oxygen
- 6. the molecule inhaled by plants and exhaled by humans
- 9. a nutrient that enters through the root system and is critical for plant amino acids
- 10. brought into the plant through root systems
- 11. the element upon which all life on earth is based, atomic number 6
- 13. the sugar molecule used by plants as a structural material
- 15. small photosynthetic organisms in the world's oceans creating 50% of all oxygen
- 18. this cannot be created or destroyed, it only transforms
- 20. Lifeforms responsible for breaking down the dead remains of other life
Down
- 1. plant respiration happens through these holes
- 3. chemical reaction that captures solar energy by combining carbon dioxide and water into sugars
- 7. the molecule inhaled by animals and exhaled by plants
- 8. a style of chemical reaction that requires oxygen
- 11. plant organelle that where photosynthesis takes place
- 12. when water vapor is released from plants it increases this in the atmosphere
- 14. the general term for life that must eat other life forms for energy
- 16. the source of all energy used by life on our plant
- 17. the sugar molecule used by many life forms as an energy source
- 19. the general term for life that can perform photosynthesis (an autotroph)