Definition: A sensory aparatus (also referred to as a feeler) that is located on the head of an arthropod. Antennae are always present in pairs and enable the animal to sense touch, sound, heat, and taste. The size and shape of arthropod antennae can vary greatly depending on the way they are used and the adaptations that have shaped them over time.
Antenna
By Laura Klappenbach, About.com
Explore Animals / Wildlife
Must Reads
About.com Special Features
A Smarter Future
Tips that will help finance your education, excel in the classroom, and advance your career. More >
How to Ace the GRE
Being well prepared is the first step; here are more essential suggestions. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.