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Author Topic:   Questions on Evolution.
Coragyps
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Posts: 5436
From: Snyder, Texas, USA
Joined: 11-12-2002
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Message 4 of 43 (168122)
12-14-2004 1:57 PM
Reply to: Message 1 by CreepingTerror
12-14-2004 1:23 PM


1. Between 3.5 and 3.8 billion years.

2. It's pretty improbable, I think, but no one knows enough about how it all happened to put numbers on that probability.

3. Sure, if I may take "lower" and "higher" as meaning "early-arising" and "recently-arising." There are still horseshoe crabs and blue-green algae around with us mammals, no?

4. Chimps, gorillas, and orangutans don't have tails - that's part of the definition of all of us Great Apes. Some ancestor of all four of us failed to grow a tail, and there was no disadvantage to their survival in not having one. The lack was heritable, and here we all are, tailless.

Welcome aboard!


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Coragyps
Member
Posts: 5436
From: Snyder, Texas, USA
Joined: 11-12-2002
Member Rating: 5.5


Message 7 of 43 (168153)
12-14-2004 3:06 PM
Reply to: Message 6 by Loudmouth
12-14-2004 2:13 PM


Other example of this phenomena are whales that sprout legs with hooves.

Hi-ho, Silver! Giddyup, Moby!

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