Populations

2. factors factors that can impact a population regardless of its density such as weather, natural disasters and human activity
5. 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
7. the variety of species within an ecosystem
8. the ability of an ecosystem to resist change from a disturbance
10. factors are factors that are affected by the number of individuals in the area such as competition, predation, parasitism and disease
12. the ability of an ecosystem to recover after it has undergone an disturbance
14. population size increases in a relatively short time indicated with a j-shaped graph
15. the sequence of biotic changes that restore a damaged community

1. two organisms compete for the same resources
3. a space that contains all the physical, chemical, and biological factors that a species needs to survive and reproduce
4. a close ecological relationship between two or more organisms such as mutualism, commensalism and parasitism
6. all the biotic and abiotic factors in an environment where an organism lives
9. process by which one organism captures and feeds upon another organism
11. simplified diagram that shows the number of surviving individuals over time from a measured set of births
13. the maximum population of a species that a particular environment can normally and consistently support