Small bushes and shrubs will usually be outcompeted by _.
Taller trees that create too much shade for the bushes and shrubs to handle.
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5
What is a climax community?
A stable community with a diverse number of species. This should be the end result of ecological succession done right.
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Can you define primary succession?
Succession that typically begins in an area with no remnants of a previous community. Example; A volcanic eruption that destroyed absolutely everything.
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What is happening here.
A disturbance that will cause the ecosystem (or community) to change.
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Why are lichens such important species in primary succession?
Because they can break down rocks into soil.
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In the ecological succession of a pond, when can frogs and fish start to live there?
At some point AFTER the water has been colonized by algae.
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seesaw
Swap points!
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magnet
Take 20 points!
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rocket
Go to first place!
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banana
Go to last place!
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5
After mosses break down soil even further and create more soil, what can grow there?
Grasses.
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Why do ecosystems (or communities) change over time?
Because of disturbances. These could include fires, volcanoes, floods, landslides, mining, deforestation, meteors, ect.
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5
Describe this phenomena. What will happen next in terms of the ecology?
This is an underwater volcano breaking the surface of the ocean. After the lava has cooled a new island will form and primary succession will begin.
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5
What is detritus. If there is enough of it, what can be made?
Detritus is the remains of dead organisms such as lichens, plants, and animals. If there is enough detritus, soil can be made.
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After lichens break down rocks into soil, what can grow next?
Moss
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After grasses have lived in an area for a long time and created enough detritus and soil, what can grow there next?
Shrubs and bushes.
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Will secondary succession take place in an area where all the life was completely destroyed?
No. Total destruction means primary succession will take place.