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