Organisms and their environment

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Across
  1. 1. an animal that gains energy and nutrients from plants
  2. 3. - animals that consume other animals, on higher pyramid placement
  3. 6. - all of the populations of different species living in a habitat
  4. 8. - animals that are eaten by other animals
  5. 13. - The scientific way of saying burning.
  6. 14. - An animal that feeds on other animals
  7. 15. - Main source of energy input to biological systems from the sun.
  8. 17. Mass of the organic material measured in a specific area over a set period
  9. 18. - The conversion of ammonium ions --> nitrate ions by the nitrification of bacteria. Ammonium ions oxidised to nitrite, nitrite oxidised to nitrate
  10. 19. - The conversion of nitrate ions to nitrogen gas by denitrifying bacteria
  11. 20. - Organisms that feed on other organisms to obtain energy and chemicals
Down
  1. 2. - The process of organisms taking in nutrients by taking in foods or drinking into their body with mouth
  2. 4. - The community of living and non-living things of an area and their interactions
  3. 5. - All organisms of the same species living with one another in a particular habitat at the same time
  4. 7. - The breakdown of dead organisms into simpler matters
  5. 9. - Chemical reaction in the cells to produce energy from nutrient molecules
  6. 10. - water loss from plant leaves and shoots by diffusion or osmosis
  7. 11. - the process by which water is transformed from a liquid into a gas
  8. 12. - A reaction that takes place for plants to gain energy by light energy
  9. 16. - The remains of dead organisms found in rocks that are really old