unit 7. concept 5.

The process of ecological change in an ecosystem where one community is replaced by another community over time

Formation of a new ecosystem

Recovery of an old ecosystem

In an area that has not been previously occupied

The first organisms to grow in a new environment

Lichens and mosses,

Organisms decompose and release nutrients to form a layer of soil that larger complex plants can grow in

It can retain nutrients, small plants, flowers, ferns, and shrubs

A mature and stable community of plants and animals

When an area that was previously occupied by a living organism immunity was destroyed by a disturbance and begins to success

And establish community is destroyed by soil is still intact. Therefore, it takes less time than primary succession

Weed and grass

Because you don’t have to make soil from scratch and secondary succession like in primary

Primary succession definition

Primary succession analogy

Primary succession example

Primary succession pioneer species

Primary succession results

Secondary succession, definition

Secondary succession analogy

Secondary succession sample

Pioneer species secondary succession

Secondary succession results