Ecology Crossword Puzzle Quiz

Edit Answers
12345678910111213141516171819202122232425
Across
  1. 2. organisms that use energy from inorganic chemical reactions to make their own food.
  2. 5. physical environment to which an organism has become adapted and in which it can survive.
  3. 10. a prokaryotic domain of microorganisms that resemble bacteria.
  4. 11. water that infiltrates the ground.
  5. 18. organisms that depend on producers or other types of organisms for food.
  6. 19. organisms that consume only producers such as plants or algae.
  7. 21. this process creates organic compounds using the energy from inorganic chemical reactions.
  8. 22. the process of converting nitrogen gas to nitrate ions that plants can absorb, carried out mainly by some bacteria. (2 words)
  9. 25. reaction in which ammonium and nitrite ions combine to form water and nitrogen gas, enabled by certain bacteria in the water. (2 words)
Down
  1. 1. organisms of the same species that live in the same area and interact with one another.
  2. 3. referring to the non-living physical aspects of the environment.
  3. 4. the conversion of some of the nitrates in soil back into nitrogen gas.
  4. 6. the different feeding positions in a food chain or web. (2 words)
  5. 7. scientific study of the interactions of living things with each other and their relationships with the environment.
  6. 8. large communities of producers and herbivores.
  7. 9. organisms that produce organic compounds from energy and simple inorganic molecules.
  8. 12. organisms that consume dead organisms and other organic waste.
  9. 13. forms when water droplets in clouds become large enough to fall.
  10. 14. a simple linear pathway through which energy and materials are transferred from one species to another in an ecosystem. (2 words)
  11. 15. a life form consisting of one or more cells.
  12. 16. organisms that produce organic compounds from energy and simple inorganic molecules.
  13. 17. role of a species in its ecosystem.
  14. 20. animals that obtain energy by eating other animals.
  15. 23. natural unit consisting of all the living organisms in an area functioning together with all the nonliving physical factors of the environment.
  16. 24. a diagram of feeding relationships that includes multiple intersecting food chains. (2 words)