Download - Chapter 6, Lesson 6 - How Ecosystems Change
How Ecosystems ChangeChapter 6, Lesson 6
ecological successionprimary succession
secondary successionpioneer species
pioneer communityclimax community
ecological succession – the gradual replacement of one
community by another
primary succession – the gradual build up of a
community that was wiped out
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
secondary succession – the gradual replacement of one community by another, but
there is already some ecosystem/community there
ecological succession – the gradual replacement of one
community by another
pioneer species – the first species to grow in an otherwise lifeless area
pioneer community – when the first animals in a community arrive as a result of a pioneer
species. A new ecosystem forms.
pioneer community – when the first animals in a community arrive as a result of a pioneer
species. A new ecosystem forms.
climax community – an established community. Few new organisms
arrive, few leave. Things are relatively safe and balanced, until
another major disaster arises.