Across
- 4. these services help keep recreation places nice- exploring places, learning about the history of the area
- 9. The study of how organisms interacts with each other and with their environment is called
- 10. the symbiont in a parasitic relationship is a ____
- 12. in a ____ symbiosis, the host is not affected
- 16. the number and variety of different species in an area
- 18. those individuals with characteristics that help them survive, will survive and reproduce and pass those traits to offspring
- 20. an organism’s particular role in an ecosystem
- 22. a trait/behavior an organism has inhertited that enables it to prosper in its environment
- 25. using less resources so they last longer
- 26. helping a degraded or destroyed ecosystem recover
- 27. Populations can increase when ___ rate is higher than ___ rate (2 words)
- 29. the study of how living things interact with their environment
- 30. something that prevents an organism from living or growing in an environment
- 31. protection from the loss of resources so they last indefinitely – often includes making regulations/rules
- 32. the disappearance of all members of a species
- 34. a species that influences the survival of many others in an ecosystem
- 36. in a ___ symbiosis, the host is harmed by the symbiont
- 37. Something devastates a community like a fire and succession starts after that
- 38. a series of changes that occur when an area starts from no soil or organisms present
- 39. these services help fix problems- regulates use of things- keeping pollution down, regulations to keep down pests and diseases regulations on fishing, hunting
Down
- 1. the living and once living factors in an ecosystem
- 2. struggle for resources that may be limited
- 3. behaviors and characteristics that allow organisms to live successfully in their environment
- 5. the struggle between organism to survive in a habitat with limited resources
- 6. all the different populations living together make this
- 7. the number of organisms per unit area (2 words)
- 8. a relationship in which 2 species (a host and a symbiont) live closely together, the symbiont always benefits
- 11. all the members of one species living in a particular area
- 13. the largest population an environment can support is called this
- 14. the factors that are nonliving in an environment
- 15. the smallest unit of ecological organization is a single ___
- 17. in a ___ symbiosis, both individuals benefit
- 19. The 2 individuals in a symbiotic relationship are the host and the ___
- 21. organisms that leave an area in search of better resources is this
- 23. interaction where one organism kills another
- 24. plants that are the first to start populating an area
- 28. the part of an ecosystem where an organism lives and feeds is called the organism’s ___
- 33. organisms that enter a new area and increase the population size
- 35. these services help in using natural resources to help us filtering water, farming, hunting and fishing