Matter and Energy in the Environment

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Across
  1. 2. the most common gas in the atmosphere
  2. 5. how energy moves through ecosystems
  3. 9. organisms that only eat producers
  4. 11. organisms that make their own food
  5. 13. organisms that eat producers and consumers
  6. 14. the layer of gases that surrounds the Earth
  7. 17. all the living and nonliving things in a given area
  8. 18. made up of bits of rocks, water, air, minerals, and remains of once living things
  9. 19. how water moves through ecosystems
  10. 20. describes the average weather condition in an area over time
  11. 21. illustrates all the complex feeding relationships in an ecosystem
Down
  1. 1. a model that shows how energy flows in an ecosystem though feeding relationships
  2. 3. the steps of an energy pyramid
  3. 4. the nonliving things in an ecosystem
  4. 6. the process where producers make sugars using carbon dioxide, water, and sunlight
  5. 7. organisms that get their energy by eating the remains of other organisms
  6. 8. organisms that eat only consumers
  7. 10. organisms that do NOT make their own food
  8. 12. the process where producers make food from chemical energy
  9. 15. shows the amount of energy available at each step of a food chain
  10. 16. the living things in an ecosystem