Changing Ecosystems

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What is primary succession?

Back

Primary succession is the series of changes that occur in an area where no soil or organisms exist, often following events like volcanic eruptions.

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What is ecological succession?

Back

Ecological succession is a series of predictable changes that occur in a community over time.

Front

What triggers primary succession?

Back

Primary succession is triggered by events such as volcanic eruptions that create new land without soil.

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What is succession in ecology?

Back

Succession in ecology refers to the process of change in the species structure of an ecological community over time.

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What is secondary succession?

Back

Secondary succession is the process of change that occurs in an area where a disturbance has destroyed an existing ecosystem but left the soil intact.

Front

Give an example of primary succession.

Back

An example of primary succession is the colonization of bare rock after a volcanic eruption.

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Give an example of secondary succession.

Back

An example of secondary succession is the regrowth of a forest after a fire.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem.

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What is a disturbance in an ecosystem?

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A disturbance is an event that changes the structure of an ecosystem, such as a fire, flood, or human activity.

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What is a climax community?

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A climax community is a stable and mature ecological community that has reached a steady state.