| A | B |
|---|
| Biodiversity | variety of organisms in an ecosystem or biome |
| Climax community | dominant community of plants and animals that come to live in an area |
| Ecological succession | the changing sequence of communities that live in an ecosystem during a given time period |
| Limiting factor | a condition or resource that keeps a population at a certain size |
| Microhabitat | a small or specialized habitat within a larger habitat |
| Niche | the unique role or job of an organism in an ecosystem |
| Pioneer species | first organisms to live in an area |
| Primary succession | a process that develops a biotic community in a previously uninhabited and barren habitat with little or no soil |
| Secondary succession | a process started by an event that reduces an already established ecosystem to a smaller population of species |
| Sustainability | ability to maintain ecological processes over long periods of time; ability of an ecosystem to maintain its structure and function over time |
