Across
- 4. Succession beginning after major disturbance of ecosystem
- 5. What your grandparents ate
- 8. To repair damaged ecosystems and support natural diversity
- 12. Major ecosystem types typical of large geographic areas
- 15. Sequence of ecosystems
- 17. Theory that more species on closer, larger islands
- 19. To set aside natural ecosystems and keep them viable
- 21. Group of interbreeding organisms
- 23. Reserve selection to manage individual species
- 24. Succession beginning with bare rock
- 25. Ecosystem category for most land and freshwater
Down
- 1. Each transitory ecosystem in succession
- 2. One species in a defined area
- 3. Large habitat divided into two or more pieces
- 6. Total alteration of ecosystem structure and function
- 7. Sustainable use of ecosystems for humans and wildlife
- 9. Earth's layer that supports life
- 10. All populations of species in an area
- 11. Reserve selection to protect a range of ecosystems
- 13. Illustrates the 90% energy loss at each trophic level
- 14. Species that need large, contiguous habitats
- 16. Biotic and abiotic components functioning together
- 18. One organism
- 20. Ecosystem dominated by humans, domestic plants and animals
- 22. Reduced when habitat degradation occurs