Flow of Matter & Energy

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Across
  1. 2. Organism that eats only plants.
  2. 4. All the gases surrounding earth.
  3. 7. Organism that eats secondary consumers is a ______ consumer.
  4. 9. Matter derived from living things.
  5. 11. Refers to the variety of different species in an ecosystem.
  6. 12. Organism that must consume food.
  7. 13. Each level in a food pyramid is a _______ level.
  8. 14. Breaks down dead matter.
  9. 15. Organisms with the most energy in a food web.
  10. 17. The conditions in a habitat.
Down
  1. 1. Organism that makes its own food.
  2. 3. Animals that only eat other animals.
  3. 5. The interactions of all abiotic and biotic factors.
  4. 6. Nonliving factors in an ecosystem such as oxygen, water, and sunlight.
  5. 8. All the water on earth.
  6. 10. A group of organisms that can breed to produce fertile offspring.
  7. 11. Living factors of an ecosystem are _______ factors.
  8. 16. Eat dead matter.