Free Printable Primary and Secondary Secession

Worksheets

Primary and Secondary Secession

Total questions: 15

Worksheet time: 55mins

Name

Class

Date

succession that occurs in an area with no soil

ecological succession

primary succession

secondary succession

pioneer speciles

succession that occurs in an area where soil is already present

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

a stable ecological community that has reached equilibrium

ecological succession

climax community

secondary succession

pioneer speciles

starts with bare rock followed by lichen

primary succession

secondary succession

both types of succession

reaches a climax community quicker because soil is already present

primary succession

secondary succession

both types of succession

The picture shows what type of succession?

primary

secondary

tertiary

quadanary

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

Natural disasters such as flooding and tornadoes are linked to ________________.

primary

secondary

old field

ecosystem

10.

What type of succession is shown going from figure A to figure B?

primary succession

eutrophication

secondary succession

intermediate

11.

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

Secondary Succession

Aquatic succession

Primary Succession

Ferns must grow

12.

Primary succession occurs in areas with:

very little soil

lots of soil

no soil

soil that has been disturbed

13.

Why do grasses appear before shrubs in ecological succession?

loosen the dirt for new trees to take roots?

provide food for animals returning to the area

require plenty of sunlight to make their own food

can grow even in areas with shallow soil

14.

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

pioneer species

volunteer species

founder species

conqueror species

15.

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

100 %

Primary and Secondary Secession

Total questions: 15

Worksheet time: 55mins

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