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