Nutrition in an Ecosystem

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Across
  1. 1. What are organisms that break down dead organisms and organic matter called?
  2. 4. What term is used for decomposers that obtain nutrients from detritus through internal digestion?
  3. 8. What are the organisms that obtain energy through the oxidation of inorganic compounds called?
  4. 9. What essential elements, such as carbon and nitrogen, are released back into the environment during decomposition?
  5. 10. Which type of autotroph uses light as an energy source to synthesise organic compounds?
Down
  1. 2. What type of decomposers obtain nutrients through external digestion?
  2. 3. What term refers to organisms that cannot produce their own organic molecules and rely on consuming others?
  3. 5. What biological molecules do decomposers secrete to break down complex organic compounds?
  4. 6. What is the name for organisms that acquire nutrients through both autotrophic and heterotrophic means?
  5. 7. What are organisms known for synthesising organic molecules from inorganic ones using an external energy source?