linkedin post 2017-01-07 05:09:21

FIRST EVOLUTION. “Instead of cribellate and ecribellate orb webs evolving in parallel, orb monophyly explicitly implies that dry cribellate capture spirals were replaced by ecribellate gluey spirals. This involves 2 major changes. First, a shift in the silk used to produce the core fibers of capture threads, resulting in novel tensile properties.”

http://www.pnas.org/content/106/13/5229.full

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