1. How Ecosystems Change
Chapter 6, Lesson 6
ecological succession
primary succession
secondary succession
pioneer species
pioneer community
climax community
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
secondary succession – the
gradual replacement of one
community by another, but
there is already some
ecosystem/community there
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. Few new organisms arrive,
few leave. Things are relatively safe and
balanced, until another major disaster
arises.