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> >  > dhw: Even trying out new styles of living and new ways of capturing food entails existing cell communities (organs) experimenting, learning, using information for specific purposes. And if cellular combinations change as a result of these activities, it can only be as a result of selections made and decisions taken.-No way. I&apos;m using the kidney as the organ. The electrolyte levels much be precisely managed for life not to poison itself. And you want hunt and peck! >  > dhw:  I don&apos;t believe evolution has progressed solely because of problems. As we keep telling each other, it could have stuck with bacteria if that was the case. New opportunities would have played just as important a role (e.g.- and especially -in the Cambrian Explosion).-You are right to accept my idea that a drive to complexity seesm built into the original DNA. The opportunity in thehttp://blogs.scientificamerican.com/not-bad-science/2013/10/21/lost-ants-backtrack-their-steps/?WT_mc_id=SA_DD_20131021 Cambrian was probably the rise in oxygen in the atmosphere, but that is a two-edged sword. Oxygen is a very dangerous element and had to be used but also controlled.- > dhw: Sweet little Archie Optrex (always a sight for sore eyes) was running for his life, chased by big and nasty Tyrone Sore-Ass, etc.........-As an author and playwright your imagination is marvelous.