3.1 Food chains & energy transfer

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Across
  1. 4. an organism that eats plants & meat
  2. 8. Organisms which use light energy, carbon dioxide & water in the process of photosynthesis to make organic substances
  3. 9. the total mass of living materials in a specific area at a given time
  4. 11. The arrows on a food chain represent the transfer of this
  5. 12. organisms that obtain their energy by feeding on other organisms (can be primary, secondary or tertiary)
  6. 14. A stage in a food chain
  7. 16. Organisms that break down complex materials in dead organisms into simpler materials, which releases minerals & elements to plants
  8. 17. an organism that eats plants
  9. 19. the bi-product of photosynthesis
  10. 20. first consumer in a food chain
Down
  1. 1. Many food chains linked together
  2. 2. second consumer in a food chain
  3. 3. third consumer in a food chain
  4. 5. Describes a feeding relationship where producers are eaten by primary consumers, which are eaten by secondary consumers, which are eaten by tertiary consumers
  5. 6. the process in which plants use light energy, carbon dioxide & water to produce glucose
  6. 7. method used to estimate the chemical energy store in dry mass
  7. 10. Another term for saprobionts
  8. 13. scientific word for ‘feed on’
  9. 15. an organism that eats meat
  10. 18. Examples of saprobionts are ____________ & fungi