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 43 - Self-Quiz - Page 778: 5

Answer

a. pheromone

Work Step by Step

Unlike neurotransmitters and hormones, pheromones are released to the outside of an organism's body. Neurotransmitters and hormones are released inside an organism's body. Pheromones can communicate where a food source is, warn other individuals within the species about a predator in the area, and cause sexual arousal in others.
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