Across
- 4. sequence of DNA for a particular trait
- 9. species divide a resource they use by specializing in different ways
- 11. changes in DNA
- 12. plant eaters which are most primary consumers
- 14. a visual map of feeding relationships and energy flow
- 16. the ability to survive and reproduce under changing conditions
- 20. how reproductively successful an organism is
- 24. fungi and bacteria that break down non-living matter
- 25. the interaction in which an animal feeds on a plant
- 27. when a new species is generated
- 29. process of using sunlight to convert CO2 and H2O into sugar and releasing oxygen
- 30. selection conducted under human direction
- 33. kill and eat other animals which are most secondary and tertiary consumers
- 34. change over time
- 35. a relationship where two or more species benefit (+/+)
- 36. a heritable trait that increases fitness
- 38. a species that has a strong impact on a community
- 39. a disturbance so severe that no vegetation or life remains
- 40. organisms that capture energy from the sun or chemicals and make energy
- 41. an organism's rank in the feeding hierarchy
Down
- 1. traits that improve chances for survival are passed more frequently
- 2. a somewhat predictable series of changes over time
- 3. a nonnative organism that spreads widely in a community
- 5. when one organism depends on another for some benefit
- 6. two species evolve in response to changes in each other
- 7. a relationship where one species benefits and the other is unaffected (+/0)
- 8. a long-lasting and physically close relationship when at least one organism benefits
- 10. species that colonizes newly exposed land
- 13. process of bacteria using stored energy from deep-sea vents to convert CO2 and H20 into sugar energy
- 15. animals that eat both plants and animals
- 17. disappearance of a species from the Earth
- 18. large detritivores like vultures
- 19. a linear series of feeding relationships
- 21. biological evolution occurring by chance
- 22. the total amount of living tissue a trophic level contains
- 23. a disturbance that drastically alters an existing community but does not destroy it (fire)
- 26. an individual of one species captures, hunts, kills another
- 28. an organism's use of resources and its functional role in a community
- 31. process of organisms using oxygen to release chemical energy
- 32. organisms that rely on other organisms for energy and nutrients
- 37. soil insects that consume non-living organic matter as the ecosystems recyclers