Hmmmppfff!
Now which is more logical -- the single-cell plants get together and have a meeting, and one of them says, "These fish are eating us alive! We've got to do something! Anyone have an idea?" And then one of the single-cell plants speaks up and says, "Maybe we could form ourselves into balls -- would that help?" And the other single cell plants say, "That's a great idea! Let's do it!!"
Or -- by your preposterous theory -- the ocean has "waves" which "shape things".
LOL yeah I come up with these crazy ideas.
Ice circles on the other hand are formed by intelligent ice crystals.