Biology Unit 4 Crossword
Across
- 1. factors that are affected by the number of individuals in an area
- 4. when one organism benefits from the relationship while the other neither benefits nor gets harmed
- 9. the ability of an ecosystem to recover after a disturbance
- 11. the least common form of dispersion
- 13. the sequence of biotic changes that restore a damaged community, may create a community
- 14. the establishment and development of an ecosystem in an area that was uninhabited
- 18. contains all of the physical, chemical, and biological factors necessary for survival and reproduction
- 19. population begins with a period of slow growth, followed by a period of fast growth, and then leveled at a stable size towards the end.
Down
- 2. limiting factors include weather, natural disasters, and human activity
- 3. when resources are spread unevenly within an ecosystem
- 5. the organism that captures and feeds upon another organism
- 6. one organism benefits while the other organism is harmed
- 7. contains all of the physical, chemical, and biological factors necessary for survival and reproduction
- 8. when both species benefit from a relationship
- 10. when a population increases dramatically over a short amount of time
- 12. maximum population of a species that can be supported by an environment
- 14. the organism that is being captured and eaten
- 15. an ecological relationship between organisms of different species that live in direct contact with each other
- 16. when individuals of the same species must compete for limited resources
- 17. the ability of an ecosystem to repel change from a disturbance