Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 40 - Animal Hormones - 40.2 - The Endocrine System and Nervous System Work Together - 40.2 Recap - Learning Outcomes - Page 854: 2

Answer

Molting is triggered by consuming blood, so a decapitated Rhodnius would not demonstrate molting because it cannot access blood. Molting is triggered in the brain by prothoracicotropic hormone (PTTH) and ecdysone, which work in sequence and are activated in Rhodnius after a blood meal.

Work Step by Step

Molting is triggered by consuming blood, so a decapitated Rhodnius would not demonstrate molting because it cannot access blood. Molting is triggered in the brain by prothoracicotropic hormone (PTTH) and ecdysone, which work in sequence and are activated in Rhodnius after a blood meal.
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