"In [this animation] two genetically identical trees compete for light. Moving the trees apart after they have grown reveals the adaptation of each crown to the presence of the neighbor tree."
excerpted from "Visual models of morphogenesis: A guided tour" by Przemyslaw Prusinkiewicz, Mark Hammel, and Radomir Mech, University of Calgary, 1997.
Last updated: Jim Hanan,23 December 1998.