Primary Succession Slides

succession that occurs in an area with no soil

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

the first organisms that appear in an ecological community

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

How do lichens contribute to primary succession?

• Lichens decompose organic matter from animals and plants
• Lichens begin to break down rock to form soil
• Lichens are nitrogen fixing bacteria

After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?

• Lichens → Shrubs → Grasses → Trees

• Lichens → tree → shrubs→Grasses

• Grasses → Lichens → Shrubs → Trees

• Lichens → Grasses → Shrubs → Trees

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

Secondary Succession on land always begin when _______ is still available.

• Rock

• Dirt

• Water

• Wind

What is the term that describes a steady and stable community?

• peak community

• turf community

• climax community

• disturbed community

What is an example of an area that is likely to undergo primary succession?

• Glaciers melt and leave exposed rock

• Plants die from drought and decompose

• Land is bulldozed and soil remains

What is the most important function of pioneer species?

• To create rocks

• To look nice

• Food for animals

• To create soil and add nutrients to the environment

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What are the first organisms to colonize an area and begin the process of ecological succession.

• primary organisms

• introductory organisms

• foundational organisms

• pioneer species

What is the name given to lichen or moss after a primary succession

• Pioneer species

• Volunteer species

• Founder species

• Captain species