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AssignmentMultiple Dropdowns

Succession and Extinction

Question 1 of 5 • Environmental Science A

✔ primary successionX secondary succession

Answer
In coastal areas, wind moves sand, blowing away or engulfing the soil, and eventually creating sand dunes::

primary succession

The introduction of livestock to an area leads to over-grazing that removes native grasses::

secondary succession

A forest is cleared to gather lumber used for building houses::

secondary succession

A lava flow down the side of a volcano destroys all vegetation and eventually turns into volcanic rock when it cools and hardens::

primary succession

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