A turtle's shell grows with it throughout its life. Learn how a hard, protective shell can keep growing in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/reptiles/turtle-shell.htm
BrainStuff
2,611 clip(s)
What Happens When Your Immune System Turns on You?
How Can Slime Mold Think Without a Brain?
What's the Difference Between Cougars, Pumas, and Mountain Lions?