Document Type
Letter to the Editor
Publication Date
1-2001
Abstract
Argues against an article published in 'BioScience' magazine in which Timothy Shanahan says that evolution is progressive and directional and embodies improvement.Discussion of regressive and progressive evolution and the accompanying multiplication or loss of phenotypic characteristics; Illustrations related to the blindness and loss of pigmentation in troglobitic, or deep-sea cave organisms; Response from Shanahan.
Publisher Statement
Copyright 2001 American Institute of Biological Sciences.
Available on publisher's site at http://www.bioone.org/doi/abs/10.1641/0006-3568(2001)051%5B0006:rfs%5D2.0.co%3B2
Recommended Citation
Shanahan, Timothy. "Evolution Is Opportunistic, Not Directional - Response." Bioscience 51 (2001): 6-6.
