Across
- 1. dispersed by humans
- 2. blocking feature
- 4. two areas with the same flora & fauna
- 6. expansion of species to new location
- 9. propagule needs outside force for motion
- 13. paths for dispersal are not equally favorable
- 16. dispersal by water
- 17. stage in life cycle required to establish new pop
Down
- 1. dispersed by wind & water
- 3. propagule provides self motion
- 5. expansion of species range
- 7. species introduction by humans
- 8. island habitat that aids dispersal
- 10. species able to disperse over long distances
- 11. explosion in population
- 12. dispersed by wind
- 14. dispersal by animals
- 15. pathway for movement