Energy Flow in Ecosystems Vocab

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Across
  1. 6. captures energy from nonliving sources and convert it into forms living cells can use
  2. 7. the total amount of living tissue within a given trophic level
  3. 10. organisms that acquire energy from other organisms, usually by eating them
  4. 12. process using chemical energy to produce energy-rich carbohydrates
  5. 13. small pieces of dead and decaying plant and animal remains
  6. 14. the substance represented by the chemical formula CO2
Down
  1. 1. another way to describe an autotroph (hint: two words, no space)
  2. 2. each step in a foodchain or food web (hint: two words, no space)
  3. 3. process using solar energy to convert carbon dioxide and water into energy-rich carbohydrates
  4. 4. a network of feeding interactions, through which both energy and matter move (hint: two words, no space)
  5. 5. a model that shows the relative amount of energy or matter contianed within each trophic level (hint: two words, no space)
  6. 8. another word for a heterotroph
  7. 9. the substance represented by the chemical formula H2O
  8. 11. a series of organisms in which energy is transferred from one organism to another (hint: two words, no space)