There's a large amount of literature on amphibians in which the urodeles (salamanders ) can regenerate limbs throughout life, but anurans (frogs) lose the ability at metamorphosis. The literature looks at differences between these groups responsible for the major differences in regenerative abilities.
1880's: "There's lots of good fish in the sea" W.S. Gilbert 1990's: Many fish stocks depleted due to overfishing, habitat loss, and pollution. \ \ \ \ \ - - _ - \ \ \ \ ----\ - _ - \ - - ( O \ _ - -_ __ / - - / -/// _ ______ ___/ /// / Judith S. Weis Department of Biological Sciences Rutgers Univ. Newark NJ 07102 [log in to unmask]
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