They have one mouth/anus, that's called the gastrovascular cavity, they trap organisms with their tentacles and eventually gets them up to the cavity and it is digested there.
They have one mouth/anus, that's called the gastrovascular cavity, they trap organisms with their tentacles and eventually gets them up to the cavity and it is digested there.
They have one mouth/anus, that's called the gastrovascular cavity, they trap organisms with their tentacles and eventually gets them up to the cavity and it is digested there.