Across
- 3. a sequence of DNA codes
- 4. when sunlight is captured and used
- 5. changes in DNA
- 9. selection that is conducted under human direction
- 11. when a predator kills its prey
- 13. process by which new species are generated
- 14. use of resources and its functional role
- 17. one species benefits and the other is unaffected
- 18. how reproductively successful an organism is
Down
- 1. two or more species benefit
- 2. two species evolve in response to to changes
- 6. ability to survive under changing conditions
- 7. at least one organism benefits in this relationship
- 8. change over time
- 10. one organism depends on another to survive
- 12. the disappearance from earth
- 15. a heritable trait that increases fitness
- 16. animals feed on a plant