Across
- 1. the ability to survive and reproduce under changing environmental conditions
- 7. species that first colonize newly exposed land
- 9. how reproductively successful an organism is in its environment
- 10. primary consumers
- 12. change over time
- 14. the process by which new species are generated
- 15. the total amount of living tissue
Down
- 2. a heritable trait that increases individual fitness
- 3. a relationship in which two or more species benefit
- 4. the predictable series of changes over time experienced by an ecological community
- 5. a species that has strong or wide reaching impact on a community
- 6. a physically close relationship in which at least one organism benefits
- 8. the process by which one species hunts and kills another
- 11. the disappearance of a species
- 13. an organism's use of resources and functional role in a community