Although animals have never evolved wheels for locomotion (see Rotating locomotion in living systems), a small number of animals will move at times by rolling their whole body. Rolling animals can be divided into those that roll under the force of gravity or wind and those that roll using their own power.
Read more about this topic: Terrestrial Locomotion
Famous quotes containing the word rolling:
“This whole moment is the groin
Of a borborygmic giant who even now
Is rolling over on us in his sleep.”
—John Ashbery (b. 1927)
“Look, were all the same; a man is a fourteen-room housein the bedroom hes asleep with his intelligent wife, in the living-room hes rolling around with some bareass girl, in the library hes paying his taxes, in the yard hes raising tomatoes, and in the cellar hes making a bomb to blow it all up.”
—Arthur Miller (b. 1915)
“The gods had condemned Sisyphus to ceaselessly rolling a rock to the top of a mountain, whence the stone would fall back of its own weight. They had thought with some reason that there is no more dreadful punishment than futile and hopeless labor.”
—Albert Camus (19131960)