John's Crossing of Words

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Across
  1. 2. Most animals are this.
  2. 3. These have noticeable differences.
  3. 4. Shows the flow of energy
  4. 10. Shows the trophic levels.
  5. 13. Evolutionary reaction to stimulus.
  6. 16. Hunts prey.
  7. 17. The amount of one thing.
  8. 19. What limits a population.
Down
  1. 1. Worms are classified as this.
  2. 5. The amount of animals in the ecosystem.
  3. 6. Non-living thing.
  4. 7. Houses ecosystems.
  5. 8. Living thing.
  6. 9. All plants have this, makes them green.
  7. 11. All plants are this.
  8. 12. When something hibernates, it goes _______.
  9. 14. Most animals are Hetero_____s.
  10. 15. When you touch something, it gives ________.
  11. 18. Living thing.