Ecosystems

5. a close ecological relationship between two or more organisms such as mutualism, commensalism and parasitism
6. two organisms compete for the same resources
9. the sequence of biotic changes that restore a damaged community
11. the ability of an ecosystem to resist change from a disturbance
13. all the biotic and abiotic factors in an environment where an organism lives
15. the variety of species within an ecosystem

1. the ability of an ecosystem to recover after it has undergone an disturbance
2. a po;ulation begins with a period of slow growth followed by a period of exponential growth before leveling off at a stable size indicated by an s-shaped curved
3. factors that can impact a population regardless of its density such as weather, natural disasters and human activity
4. a space that contains all the physical, chemical, and biological factors that a species needs to survive and reproduce
7. factors that are affected by the number of individuals in the area such as competition, predation, parasitism and disease
8. the maximum population of a species that a particular environment can normally and consistently support
10. simplified diagram that shows the number of surviving individuals over time from a measured set of births
12. population size increases in a relatively short time indicated with a j-shaped graph
14. process by which one organism captures and feeds upon another organism