Chapter 3 and Chapter 4 (Part 1)

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Across
  1. 2. total amount of living tissue within a given trophic level
  2. 3. series of organisms in which energy is transferred from one organism to another
  3. 7. It shows the mass of producers that are needed to support
  4. 8. Show the relative amount of energy available at each trophic level of a food chain or web
  5. 15. capture energy from nonliving sources and convert it into forms that living cells can use
  6. 16. obtain energy and nutrients by eating plant, leaves, roots, seeds, or fruits
  7. 17. chemically break down organic matter
Down
  1. 1. kill and eat other animals
  2. 4. chemical energy is used to produce carbohydrates
  3. 5. eat both plants and other animals
  4. 6. producers of energy rich compounds that can be used later by organisms
  5. 9. consume carcasses of other animals that have been killed by predators or other causes
  6. 10. using solar/light energy in combination with carbon dioxide and water converted into oxygen and energy-rich carbohydrates
  7. 11. chew or grind detritus into small pieces
  8. 12. also called heterotrophs, acquire energy from other organisms
  9. 13. network of feeding interactions through which both energy and matter move
  10. 14. the steps in a food web or chain