Seed Dispersal by Animals: Contrasts with Pollen Dispersal, Problems of Terminology, and Constraints on Coevolution Author(s): Nathaniel T. Wheelwright and Gordon H. Orians Source: The American Naturalist, Vol. 119, No. 3 (Mar., 1982), pp. 402-413 Published by: The University of Chicago Press for The American Society of Naturalists Stable URL: http://www.jstor.org/stable/2460937 . Accessed: 24/...