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>
> Perhaps this is different for a therapod; though, that has the strength
> to crush through the bones. But that still assumes that the giant
> therapods were the primary threat to teh stegasaur. This almost feels
> like a circular argument to me: If the stegasaur was only preyed upon
> by therapods, he would develop a therapod defense; the therapods would
> go after easier prey; the stegasaur would lose the genetically costly
> defense.
1. What else would be preying upon them?2.Why would they "lose" the
defense?3.Why is it genetically costly?---More to come--Sean C.
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