1. How Ecosystems Change Chapter 6, Lesson 6
ecological succession
primary succession
secondary succession
pioneer species
pioneer community
climax community

2. ecological succession – the gradual replacement of one community by another

3. primary succession – the gradual build up of a community that was wiped out

4. secondary succession – the gradual replacement of one community by another, but there is already some ecosystem/community there

5. secondary succession – the gradual replacement of one community by another, but there is already some ecosystem/community there
secondary succession – the gradual replacement of one community by another

6. ecological succession – the gradual replacement of one community by another

7. pioneer species – the first species to grow in an otherwise lifeless area

8. pioneer community – when the first animals in a community arrive as a result of a pioneer species. A new ecosystem forms.

9. pioneer community – when the first animals in a community arrive as a result of a pioneer species. A new ecosystem forms.

10. climax community – an established community
climax community – an established community. Few new organisms arrive, few leave. Things are relatively safe and balanced, until another major disaster arises.