Bell Ringer: Ecological Succession

Ecological Succession

Community response to new spaces​

​Ecological Succession

​Changes in communities over time

From Miller & Levine BIOLOGY 2017

Primary (1°) Succession

​Development of communities on bare earth.

From Miller & Levine BIOLOGY 2017

​Pioneer Species

​First species to colonize a new space.

From Miller & Levine BIOLOGY 2017

​lichen

Multiple Choice

Ecological Succession is _____ in communities over time.

• change

• stability

Multiple Choice

In this model, how many years did it take for moss to join the community?

• 5 years

• 10 years

• 15 years

• 20 years

​Secondary (2°) Succession

​Development of communities after disturbance.

From Miller & Levine BIOLOGY 2017

​Climax Community

​Stable community at the "end" of succession.

From Miller & Levine BIOLOGY 2017

​​

Multiple Choice

In this model, how many years did it take for a canopy + understory to form?

• 1-3 years

• 3-5 years

• 5-7 years

• 7-9 years

• 9-11 years

Multiple Choice

The lichen on this rock is a ____.

• climax species

• keystone species

• pioneer species

• endangered species

Multiple Choice

This is an example of ____.

• 1° Succession

• 2° Succession

Multiple Choice

The community on the right is a ______.

• climax community

• pioneer community

Multiple Choice

The community on the left has been disturbed. If left alone, it will go through ______.

• 1° succession

• 2° succession

Poll

Do you understand how communities change over time?

• YES!

• Almost.

• Sort of...

• NO!