APES Unit 2 Crossword Puzzle #1

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Across
  1. 3. Consumers that eat secondary consumers
  2. 8. The movement of carbon around the biosphere
  3. 11. The conversion of ammonium into nitrite and then nitrate
  4. 12. The total mass of all living matter in a specific area
  5. 14. A process in which dissolved molecules are transported through the soil by groundwater
  6. 15. Fungi and bacteria that break down organic matter
  7. 17. The process in which plants release water from their leaves into the atmosphere
  8. 19. The conversion of nitrate into the gases nitrogen oxides and eventually into nitrogen gas (N2)
  9. 21. The process by which cells unlock the energy of chemical compounds
  10. 22. The six key elements that are needed by organism in relatively large amounts
  11. 23. Consumers that eat primary consumers
  12. 25. Vaporization of water
Down
  1. 1. A required nutrient for the growth of an organism but is available in a low quantity
  2. 2. The movement of nitrogen throughout the biosphere
  3. 4. The process in which producers use the Sun's energy to convert carbon dioxide and water into glucose and oxygen
  4. 5. A measure of the total amount of solar energy that the producers in the system capture via photosynthesis
  5. 6. The successive levels of organisms consuming one another
  6. 7. The amount of energy captured minus the energy respired by producers
  7. 9. The process that converts nitrogen gas into forms of nitrogen that producers can use
  8. 10. Consumers that eat other consumers
  9. 13. Organisms that consume dead animals
  10. 16. The combination of all ecosystems on Earth
  11. 18. An organism that uses energy from the Sun to produce a useable form of energy
  12. 20. A process in which decomposers break down organic matter and convert organic compounds into inorganic ones
  13. 24. A model of how energy and matter move through trophic levels