Biological Science (6th Edition)

Published by Benjamin Cummings
ISBN 10: 0321976495
ISBN 13: 978-0-32197-649-9

Chapter 44 - Animal Sensory Systems - Review - Page 940: 4

Answer

Birds navigate using magnetoreceptors, which are believed to be build into their beaks. These magnetoreceptors can sense the magnetic field of the earth, allowing the birds a sense of direction for migrating. Photoreceptors are thought to assist in navigating direction.

Work Step by Step

Birds navigate using magnetoreceptors, which are believed to be build into their beaks. These magnetoreceptors can sense the magnetic field of the earth, allowing the birds a sense of direction for migrating. Photoreceptors are thought to assist in navigating direction.
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