Across
- 2. An animal that eats both plants and animals
- 5. main energy source that cells use for most of their work
- 7. Green pigment in plants that absorbs light energy used to carry out photosynthesis
- 9. one of the carrier molecules that transfers high-energy electrons from chlorophyll to other molecules
- 10. Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen, takes place in plants and animals, happens in 3 processes
- 13. organism that obtains energy from the foods it consumes; also called a consumer
- 14. Organisms that make their own food
- 16. An organism that eats other organisms
- 17. stacks of thylakoids
- 18. a lower-energy molecule that can be converted into ATP by the addition of a phosphate group
- 19. the passage of energy through the components of the ecosystem
- 20. organism that obtains energy by eating animals
Down
- 1. Process by which cells release energy in the absence of oxygen
- 3. electron carrier that provides high-energy electrons for photosynthesis
- 4. organelle that is the site of ATP (energy) production
- 6. An organelle found only in plant and algae cell, site of photosynthesis occurs
- 8. An organism that eats only plants
- 11. The fluid of the chloroplast surrounding the thylakoid membrane
- 12. A flattened membrane sac inside the chloroplast, used to convert light energy into chemical energy, site of the light reactions
- 15. process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches