Resources
A source or supply or support
Climate
Overall weather in an area over a long period of time
Tolerance
The ability to survive and reproduce under a range of environmental circumstances
Natural causes that create change in an ecosystem
Natrual disasters, disease, competition
limiting factors
Conditions in the environment that put limits on where an organism can live
Man made change that create change in an ecosystem
Pollution, habitat destruction, global warming
Succession
gradual change from one community of organisms to another
primary succession
The series of changes that occur in an area where no soil or organisms exist
pioneer species
First species to populate an area during primary succession
secondary succession
Growth and establishment of organisms on land where organisms previously lived
climax community
A stable, mature community that undergoes little or no change in species over time