Ecological
Succession
A series of
predictable
changes that occur
in a community
over time.
Primary
Succession
1
2
3
4
5
A series of
predictable changes
that occur over time
in an area where no
ecosystem
previously existed.
Secondary
Succession
Lava flow from a volcanic eruption
A series of events
that occur after a
disturbance in an
existing ecosystem.
Pioneer
Species
Trees after a forest fire
A species that is first
to establish itself in
an area where
nothing is growing.
Climax
Community
A stable, mature
community that has
reached the final
stage of
succession.
Mosses
and
Lichens
Simple living
organisms that help
to break down bare
rock and produce
soil.