On morphogenesis.
The development of consistent asymmetry in the human, with respect to both internal and external structures, is not the result of forces internal to the organism, but results from the organism's response to three major external forces: gravity, magnetism, and the Earth's rotation.
Anderson
B
B
D006112:Gravitation; D006801:Humans; D008280:Magnetics; D009024:Morphogenesis