Succession occurs in a range of natural ecosystems.
Describe and explain how succession occurs.
Data was collected over a ten year period on an area of rocky shore using a range of sampling methods. The mean percentage cover of different species was estimated.
Describe how you would determine the mean percentage cover on the rock surface for barnacles species.
It was concluded that the data collected, shown in part (b), were as a result of succession along the rocky shore.
Use the graph and your knowledge of succession to explain why this conclusion was reached.
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