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: 6


d. top-level consumer

Work Step by Step

In biological magnification, organisms higher on the food chain accumulate greater amounts of a pollutant than organisms lower on a food chain. For example, in the 1960s, the ospreys living in a marsh ecosystem had levels of an insecticide called DDT that were more than 270,000 greater than the amount of DDT in the water of that marsh ecosystem. These ospreys fed on the fish living in the water of that particular ecosystem.
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