Biology Crossword Puzzle

123456789101112131415161718192021222324
Across
  1. 2. The ability to do work or power biological processes
  2. 7. An organism that uses sunlight to make its own food
  3. 8. Organisms that make their own food using sunlight or chemicals
  4. 11. The process where cells break down food to release energy
  5. 12. Using chemical energy instead of sunlight to produce food
  6. 16. Water that falls from clouds as rain, snow, sleet, or hail
  7. 18. A community of living and nonliving things interacting in an area
  8. 19. A pyramid where consumer biomass appears larger than producer biomass (often in aquatic systems)
  9. 20. Water vapor cooling and turning into liquid water
  10. 22. The total mass of living material in a given area
  11. 23. Organisms that break down dead plants and animals
  12. 24. Nonliving parts of an ecosystem like water, sunlight, and temperature
Down
  1. 1. The process where bacteria convert nitrates into nitrogen gas
  2. 3. The combined process of evaporation and plant transpiration
  3. 4. levels The different feeding levels in a food chain or food web
  4. 5. A predator that eats secondary consumers
  5. 6. The first organisms to colonize a new or disturbed area
  6. 9. Ecosystem recovery after a disturbance where soil remains
  7. 10. The living parts of an ecosystem
  8. 13. An organism that feeds on dead organic matter
  9. 14. Organisms that create their own food and form the base of food chains
  10. 15. Pyramid A diagram showing how energy decreases at higher trophic levels
  11. 17. The process where decomposers turn organic nitrogen into ammonia
  12. 21. An organism that eats both plants and animals