Am 26.08.2013 23:16, schrieb Orchid Win7 v1:
> On 26/08/2013 03:49 PM, Warp wrote:
>> For example, all terrestrial tetrapods (which includes us) have the
>> same basic limb bone structure: One bone (upper arm) ->  two bones (lower
>> arm) ->  a bunch of small bones (wrist) ->  a group of long thin bones
>> (palm/fingers).
>
> In a way, that's pretty amazing. But in a way, it would be far more
> amazing if all these animals did *not* have the same bone structure -
> that would imply a sudden change in skeletal design, which is quite
> unlikely.

You mean, like the disconnection of the collarbone from the sternum in 
felids, or the disconnection of the pelvis and complete disappearance of 
hind limbs in cetaceans?

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