Pioneer Species

Primary Succession

Aquatic Succession

Climax Community

roots that break apart rocks

long thick roots

exposed surface roots

soak up water quickly

Volcano wipes out ecosystem that gradually grows back from ash covered soil

Volcano creates a new island of rock that must break down to form an ecosystem

Forest fire burns down forest that must bounce back over time

Tornado destroys a crop that must slowly grow back over time.

pioneer species

primary succession

secondary succession

climax community

trees

shrubs

mosses

grasses

Secondary Succession

Aquatic succession

Primary Succession

Ferns must grow

old forest growing

undisturbed prairie

pollution kills mountain lake species

a Newly formed volcanic island

lichens>grass>shrubs>small trees> big trees

mosses>creates soil>grasses>small trees> big trees

Volcano destroys ecosystem>grasses>shrubs>small trees>big trees

Volcano forms new island> lichens>grasses>shrubs>small trees>big trees

pond slowly filling with sediment over time; becoming a forest

growth of an ecosystem following a disturbance

forest burning down

humans causing succession

volcano destroying habitat leaving only soil and ash

Tornado destroying a crop leaving very little soil

Glacier retreating exposing bare rock

limiting factors