Biology Crossword #2

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Across
  1. 3. – Organism that breaks down dead material.
  2. 6. – Something that restricts population growth.
  3. 8. – Science of classifying organisms.
  4. 12. – Change in species over time.
  5. 13. – Natural home of an organism.
  6. 14. – Largest population an environment can support.
  7. 16. – Smallest classification group; organisms that can reproduce together.
  8. 18. – Network of connected food chains.
  9. 22. – Tool for identifying organisms.
  10. 23. – Natural changes in ecosystems over time.
  11. 26. – Two-word scientific naming system.
  12. 28. – Largest taxonomic group under domain.
  13. 29. – Evolutionary history of a species.
  14. 30. – Process where organisms best adapted survive and reproduce.
Down
  1. 1. – A structure with little or no function.
  2. 2. – Sequence of energy transfer in an ecosystem.
  3. 4. – All living and nonliving things in an area.
  4. 5. – Similar structures from a common ancestor.
  5. 7. – Structures with same function but different origin.
  6. 9. – Trait that improves survival.
  7. 10. – Organism that makes its own food.
  8. 11. – Variety of life in an ecosystem.
  9. 15. – Different populations living together.
  10. 17. – Organism that eats other organisms.
  11. 19. – Study of organisms and their environment.
  12. 20. – Group of the same species in an area.
  13. 21. – Role an organism plays in its ecosystem.
  14. 24. – Preserved remains of ancient life.
  15. 25. – Diagram showing evolutionary relationships.
  16. 27. – Formation of a new species.