[JoeProBono]

[ClearCase_guy]

Turtles have lived a long time without changing much.

There are a lot of animals that have lived a long time without changing much. On the other hand, many of the animals that are seen as evidence that species change are actually extinct. They tell me that the change is to help them survive, but I'm not sure how well that works. Turtles, cockroaches, sponges, coelecanths, horseshoe crabs, these things seem to have started out so well that they didn't need to change in order to adapt to changing environments.

Weird, huh?

[pabianice]

There is some imprecision in this article. The turtle's top shell is, in fact, its spine and rib cage. This means the turtle's shoulders and hips are inside its rib cage, with the bottom shell (plastron) completing the coverage with the top shell (caripace). Way cool.

Recommend books by Archie Carr.

[blackpacific]

How does an animal evolve a shell?

How does a creature that has no computer programming ability whatsoever develop a program which generates a new appendage, inserts it into the master program (DNA), and does so without any specification, or formal validation, and without any knowledge that the proposed “evolved” structure will actually be beneficial? Wow, it’s pretty cool that animals can do this, I suppose there is no need for an Agent cause.

[martin_fierro]

[SunkenCiv]

-sidebar-

Tropical Turtle Fossil Found in Arctic
LiveScience.com on Yahoo | 2/1/09 | LiveScience Staff
Posted on 02/01/2009 1:11:58 PM PST by NormsRevenge
http://www.freerepublic.com/focus/f-news/2176350/posts

[SunkenCiv]

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[Ken H]

Turtles have lived a long time without changing much.

Or as Xiao-chun Wu would likely put it, "Turtle live long time. No much change."