8th grade science

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Across
  1. 3. used to measure ecosystem health
  2. 4. destabilizes ecosystems
  3. 7. stability depends on abiotic and biotic factors working together
  4. 8. reduction prey population increases
  5. 10. removal leads to collapse of ecosystems
  6. 11. Oil, waste, fertilizers, and pesticides
  7. 13. Living things
  8. 14. ecosystems are unhealthy and destabilized
Down
  1. 1. leads to dead zones and algae bloom
  2. 2. reduction Predator population decreases
  3. 3. loss leads to unhealthy or unstable ecosystems
  4. 5. population fewer predators, more resources, and healthy environment
  5. 6. factor affects the survival and reproduction of an organism
  6. 9. Non living factors
  7. 12. factors predator, prey, resources, and environment