Food: -chains, -webs, and -pyramids

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Across
  1. 3. an organism that breaks down dead matter
  2. 6. a single pathway showing energy flow
  3. 7. the original energy source for all food webs on Earth
  4. 8. an organism that makes its own food
Down
  1. 1. an organism that is hunted
  2. 2. an organism that hunts other organisms
  3. 4. an organism that eats other organisms
  4. 5. the process used in plants for converting sunlight into food
  5. 6. a network of many connected food chains
  6. 8. The 10___ rule describes how much energy moves up to each new trophic level