Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 48 - Self-Quiz - Page 883: 12


d. all of the above

Work Step by Step

Biodiversity within a region is measured on three levels: genetic diversity within a species, the diversity of species within that region, and the diversity of the ecosystem. At present, all three measures of biodiversity are declining in all regions of the world.
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