A Sand Dollar's Breakfast is Totally Metal
Season 5 Episode 18 | 3m 57s | Video has closed captioning.
Their skeletons are prized by beachcombers, but sand dollars look way different in their lives beneath the waves. Covered in thousands of purple spines, they have a bizarre diet that helps them exploit the turbulent waters of the sandy sea floor.
Problems Playing Video? | Closed Captioning