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Author Topic:   Nothing in biology makes sense except in the light of evolution.
Astrophile
Member (Idle past 268 days)
Posts: 80
From: United Kingdom
Joined: 02-10-2014


Message 50 of 1311 (807545)
05-03-2017 6:22 PM
Reply to: Message 35 by Dr Adequate
05-03-2017 2:55 AM


Heritable change. We've been through this.

Perhaps one could say 'continuous and irreversible heritable change'.


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 Message 35 by Dr Adequate, posted 05-03-2017 2:55 AM Dr Adequate has responded

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 Message 52 by Dr Adequate, posted 05-03-2017 8:31 PM Astrophile has acknowledged this reply

  
Astrophile
Member (Idle past 268 days)
Posts: 80
From: United Kingdom
Joined: 02-10-2014


Message 51 of 1311 (807546)
05-03-2017 6:31 PM
Reply to: Message 38 by Dredge
05-03-2017 3:27 AM


People were clearly already well aware of the mechanism of natural/artificial selection and its effect on a popularion, so what did Darwin come up with that advanced knowledge of "evolution" (i.e., heritable changes on a population)?

Darwin was influenced by Charles Lyell's book Principles of Geology, which showed that the Earth was much older than earlier scientists had thought. Perhaps Darwin came up with the idea that natural selection working on small changes for a very long time would produce very large changes, to the extent of creating new species of animals and plants


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 Message 38 by Dredge, posted 05-03-2017 3:27 AM Dredge has responded

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 Message 62 by Dredge, posted 05-05-2017 5:52 AM Astrophile has acknowledged this reply

  
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