Across
- 3. Most pristine ecosystem in America
- 7. Percentage of energy from one trophic level to the next
- 8. Converting carbon dioxide into oxygen and glucose
- 10. The flow of energy through trophic levels is shown through an energy ____
- 11. Linear series of interactions between consumers and producers. Food ____
- 12. Non-linear series of interactions between multiple food chains. Food ___
- 13. Living thing that must eat in order to receive energy
Down
- 1. Non-living parts of an ecosystem
- 2. Converting oxygen into carbon dioxide and water
- 4. The use of chemicals to create energy
- 5. All of the biotic and abiotic aspects of a certain area
- 6. Living parts of an ecosystem
- 8. Living thing that creates energy without eating
- 9. Main source of energy for Earth