A new theory on how caterpillars and other larvae came to be had been published... saying they did not evolve with the adult forms, but evolved from onychophorans (velvet worms).
Here is some interesting commentary about this idea, its history, and its critics (including by my old PhD advisor - Fred Nijhout). It is in Scietific American and very readable.
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Here is some interesting commentary about this idea, its history, and its critics (including by my old PhD advisor - Fred Nijhout). It is in Scietific American and very readable.
http://www.scientificamerican.com/article.cfm?id=national-academy-as-national-enquirer
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