Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 6 - AP Environmental Science Practice Exam - Section 1: Multiple-Choice Questions - Page 222: 11

Answer

(d) I and III

Work Step by Step

The theory of island biogeography states that species richness varies based of distance from mainland populations, and the land mass of the island. So in this case, answers I and III are both correct, as they both pertain to distance and land mass. The answer is (d).
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