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Re: LIFE SPAN/T-REX



>Date: Tue, 2 Sep 1997 21:35:59 -0500
>To:dinosaur@usc.com
>From:brucet@mindspring.com (bruce thompson)
>Subject:Re: LIFE SPAN/T-REX
>
>>Large reptiles that live on predator and disease free dinosaurs can live 150
>>to perhaps 200 yrs....
>>Tyrannosaurs probably had to grow rapidly, at a rate approaching, equaling or
>>even exceeding elephants, in order to grow quickly enough to reach sexual
>>maturity at a substantial fraction of adult mass in 10 to 20 years.
>
>        Is there any evidence as to whether tyrannosaurs grew throughout
>their lives?  And I certainly don't want to restart the
>warm-blooded--cold-blooded thread again, but would the manner of their
>metabolism have an effect on their natural lifespans?
>

bruce



        "We weren't trying to get children to start smoking, Senator.  We just
wanted to inform people that if they didn't switch to our brand of
cigarettes, Santa wouldn't bring them any presents."