Natural Events and Ecological Succession

What type of ecological succession occurs in an area with NO SOIL?

• Ecological succession

• Primary succession

• Secondary succession

• Pioneer speciles

What type of ecological succession is shown in this picture?

• Primary

• Secondary

• Tertiary

• Quaternary

Tags

NGSS.MS-LS2-2

Starts with BARE ROCK followed by lichen:

• Primary succession

• Secondary succession

• Both primary and secondary succession

• Neither primary nor secondary succession

What type of ecological succession is shown in this picture?

• Primary

• Secondary

• Tertiary

• Quaternary

Tags

NGSS.MS-LS2-4

The final stable community of plants and animals is called a(n) --

• pioneer community.

• farmland.

• climax community.

• old field.

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.

• Lichens convert carbohydrates into fossil fuels.

What is TRUE about both primary and secondary ecological succession?

• They both start with bare rock.

• They both start with soil already present.

• They both occur over time.

• They both end with identical ecosystems.

Which type of ecological succession will typically reach a climax community faster because soil is already present?

• Primary succession

• Secondary succession

• Both types of succession

• Neither type of succession

What is usually the first species you will see during primary succession? (in picture)

• Mosses and lichens

• Grasses

• Small plants

• Insects

What is NOT a cause of primary succession?

• Hurricane

• Volcanic eruption

• Melting glaciers

• Landslides