Siphonophores do not convey the message a favorite theme of...

Siphonophores do not convey the message a favorite theme of unthinking romanticism that nature is but one gigantic whole, all its parts intimately connected and interacting in some higher, ineffable harmony. Nature revels in boundaries and distinctions; we inhabit a universe of structure. But since our universe of structure has evolved historically, it must present us with fuzzy boundaries, where one kind of thing grades into another.