Ecology Crossword

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Across
  1. 3. what percent of energy is lost between each level of the food pyramid
  2. 6. eats secondary consumers.
  3. 7. components non-living things
  4. 14. Living things
  5. 16. nourishment (food)
  6. 17. a living individual
  7. 18. Apex predator. Usually carnivores but sometimes omnivores.
  8. 19. dead or decaying organic matter
  9. 22. food chain
  10. 23. basis of the food chain
  11. 24. eats primary consumers.
Down
  1. 1. physical surroundings
  2. 2. populations + environment
  3. 4. the study of the interactions between organisms and their environment
  4. 5. organism that eats other organisms
  5. 8. increase in the concentration of a chemical in organisms at successively higher trophic levels.
  6. 9. nature's natural recyclers. eat detritus.
  7. 10. the surface, waters, and atmosphere of the Earth
  8. 11. eats primary producers. almost always herbivores
  9. 12. increase in the concentration of a chemical in an organism over time.
  10. 13. multiple individuals of the same species
  11. 15. multiple populations of species in the same area
  12. 20. organism that produces its own food
  13. 21. major ecological community