biology

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Across
  1. 2. organisms that eat plants or other animals for energy
  2. 7. making food using chemical energy instead of sunlight
  3. 9. organism that uses sunlight to make its own food
  4. 11. organism that feeds on dead organic material
  5. 13. using sunlight to produce food
  6. 14. organism that eats both plants and animals
  7. 15. total mass of living matter in an area
  8. 16. power that flows through food chains
  9. 17. organisms that must eat other organisms for energy
  10. 18. animal that eats other animals
  11. 19. tiny aquatic producers that float in water
Down
  1. 1. organisms that make their own food in a food chain
  2. 3. community of organisms interacting with their environment
  3. 4. living parts of an ecosystem
  4. 5. photosynthetic bacteria found in water
  5. 6. organisms that produce their own food
  6. 8. rate at which energy or biomass is produced in an ecosystem
  7. 10. organisms that break down dead matter and recycle nutrients
  8. 12. organism that gains energy from chemicals
  9. 17. animals that eats plants
  10. 20. nonliving environmental factors like sunlight and water