A Living Tube With Little Tube Feet

The video explores the unique alien landscapes of the deep ocean, focusing on the sea pig, a type of sea cucumber. It describes the sea pig's physical characteristics, lifestyle, and feeding habits. The sea pig is noted for its mobility, unlike its relatives, and its translucent body. The video also discusses the sea pig's bilateral symmetry, which is unusual for its group, and its evolutionary traits that make it both strange and familiar.

How does the body structure of the sea pig reflect its lifestyle in the deep ocean?

Explain the significance of the sea pig's bilateral symmetry.