Ecological Succession

What is ecological succession?

• A slow change in an environment
• A change that takes days in an environment
• No change
• Abiotic change

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What are examples of pioneer species in a primary succession?

• Bushes and Shrubs
• Oak trees
• Mossess and Lichens 
• A rose Bush

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NGSS.MS-LS2-4

A pioneer species is...

• a large organism
• the first organisms to adapt to a new environment 
• The best organism 
• Abiotic organisms 

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NGSS.MS-LS2-4

What is the most important function of pioneer species?

• To create rocks
• To create soil and add nutrients to the environment 
• To look nice
• Food for animals 

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A climax community is ….

• the beginning of a new ecological succession.
• the rocks in a new environment.
• the fire that will cause destruction.
• an area that reaches its greatest growing potential.

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What is the difference between primary and secondary succession?

• Primary succession already has soil.
• Primary has soil and secondary does not
• soil is present in both
• primary has no soil and secondary has soil

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A large tree forest is an example of ...

• a small community
• a abiotic community
• a climax community
• a pioneer species 

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Climax communities are always large forests. (Hint; think of a desert environment) 

• True 
• False

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Why does primary succession take longer to reach climax community?

• Because trees do not perform photosyntheses.
• Because climax community is in a forrest.
• Because primary succession already has soil
• Because primary succession does not have soil

Which is the correct order in primary succession?

• Rocks, Lichens & Mosses, Bushes & Shrubs, Trees
• Lichens & Mosses, Rocks, Trees, Bushes & Shrubs 
• Trees, Bushes and Shrubs, Lichens & Mosses, Lichens & Mosses
• Rocks, Grass, Trees, Bushes & Shrubs

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NGSS.MS-LS2-4

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