Photo By/Credit
Bruce Hallman/USFWS
Date Shot/Created
01/29/2015Media Usage Rights/License
Public Domain
Image
Worms use specialized muscles and bristles known as “setae” to move around.
Species
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.