I know you remember in the 80's Steven Gould put out there that evolution wasnt always slow and steady-it "jumped forward" sometimes in a relative fast period...So I'm thinking that for example one type of epigenetics in plants might be etiolation. Imagine a palm in a very comforting environment,but very dark..those seedlings that could stretch to the light while still being healthy..well, That's your eventual climbing palm. It didn't adapt to low light, it "learned" to stretch..epigenetic like.
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