Across
- 2. The ability to do work or power biological processes
- 7. An organism that uses sunlight to make its own food
- 8. Organisms that make their own food using sunlight or chemicals
- 11. The process where cells break down food to release energy
- 12. Using chemical energy instead of sunlight to produce food
- 16. Water that falls from clouds as rain, snow, sleet, or hail
- 18. A community of living and nonliving things interacting in an area
- 19. A pyramid where consumer biomass appears larger than producer biomass (often in aquatic systems)
- 20. Water vapor cooling and turning into liquid water
- 22. The total mass of living material in a given area
- 23. Organisms that break down dead plants and animals
- 24. Nonliving parts of an ecosystem like water, sunlight, and temperature
Down
- 1. The process where bacteria convert nitrates into nitrogen gas
- 3. The combined process of evaporation and plant transpiration
- 4. levels The different feeding levels in a food chain or food web
- 5. A predator that eats secondary consumers
- 6. The first organisms to colonize a new or disturbed area
- 9. Ecosystem recovery after a disturbance where soil remains
- 10. The living parts of an ecosystem
- 13. An organism that feeds on dead organic matter
- 14. Organisms that create their own food and form the base of food chains
- 15. Pyramid A diagram showing how energy decreases at higher trophic levels
- 17. The process where decomposers turn organic nitrogen into ammonia
- 21. An organism that eats both plants and animals