5th Grade Science: Chapter 4

Predictable and orderly changes that occur over time in a community of plants and animals

• Colonization

• Ecological succession

• Vegetation

• Topography

Two basic types of ecological succession that can occur in a community

• Original and problematic

• Alpha and omega

• General and local

• Primary and secondary

Example of primary succession that was formed by volcanic eruptions

• Mount Everest

• Glacier Bay

• Hawaiian Islands

• Sahara Desert

Series of changes occurring in a newly formed, barren habitat

• Primary succession

• Pioneer succession

• Secondary succession

• Are succession

Bare, usually rock or soil, in which an organism lives

• Pioneer species

• Substrate

• Primary succession

• Topsoil

First species to populate an area

• Substrate

• Secondary species

• Pioneer species

• Primary species

To establish growth in an ecological community

• Populate

• Colonize

• Investigate

• Botanize

New subtrate appears

• 1st stage of primary succession

• 2nd stage of primary succession

• 3rd stage of primary succession

• 4th stage of primary succession

Soil appears and plants like grass and wildflowers begin to grow

• 1st stage of primary succession

• 2nd stage of primary succession

• 3rd stage of primary succession

• 4th stage of primary succession

Mature community grows in the fertile soil

• 1st stage of primary succession

• 2nd stage of primary succession

• 3rd stage of primary succession

• 4th stage of primary succession