Ecological Succession

Front

This plantlike living thing is made up of an alga and a fungus growing together on a solid surface.

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lichen

Front

This occurs in an area that has no living organisms and no topsoil such as glacier retreat or lava flow.

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primary succession

Front

Forced changes on an ecosystem such as diseases, volcanic activity, tornado, logging, drought.

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natural disturbance

Front

The end of a succession resulting in a stabilized community such as a desert, rainforest, prairie.

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climax community

Front

A group of hardy organisms, such as lichens, found in the primary stage of succession and begin an area's soil-building process.

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pioneer species

Front

Occurs when a community has been partially destroyed after a forest fire, flood, and drought. This succession still has soil remaining.

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secondary succession

Front

The observed process of normal and gradual changes that occur in the types of species that live in an ecological community over time.

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ecological succession

Front

Ecological Succession is best described as...

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a gradual change in plant and animal life in an ecosystem over time

Front

A community of lichen and moss growing on an area after a glacier retraction.

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primary succession

Front

Which of the following represents secondary succession: lichen on rocks, plants growing on sand dunes, moss growing on volcanic lava, plants growing in a forest after a fire?

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plants growing in a forest after a fire