Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 4, Ecosystems and Communities - Assessment - 4.3 Succession - Understand Key Concepts/Think Critically - Page 124: 16


Primary succession takes place in these areas.

Work Step by Step

In primary succession, all traces of previous life are eradicated from an area. The region must start again from scratch because much of what remains is bare rock. This type of succession occurs after a volcanic explosion or after a glacier retreats.
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