[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

RE: juveniles faster than adults

Forgive me for noting that no one quantified either relative speed to mass or 
relative speed to distance in either age group in this estimation, so Greg is 
(technically) correct. The problem here is that relatively muscle to mass and 
performance aspects of limb anatomy DO appear to quantify a differential 
between performance (which may equate to speed) to mass, making juveniles 
faster (relative to mass) than adults; I don't know how to address whether they 
were faster than adults over the same distance, and this I do not think has 
been argued. In other words, we can be assured that juveniles are more _agile_ 
or _nimble_, but unknown whether they were absolutely _faster_ than adults. So 
in this case, Greg is (appropriately) wishy-washy in his response. Applying 
anything further without raw data would be a major mistake.


Jaime A. Headden
The Bite Stuff (site v2)

"Innocent, unbiased observation is a myth." --- P.B. Medawar (1969)

"Ever since man first left his cave and met a stranger with a
different language and a new way of looking at things, the human race
has had a dream: to kill him, so we don't have to learn his language or
his new way of looking at things." --- Zapp Brannigan (Beast With a Billion 

> Date: Tue, 30 Nov 2010 19:52:55 -0500
> From: GSP1954@aol.com
> To: dinosaur@usc.edu
> Subject: Re: juveniles faster than adults
> I see no evidence that the speed of normal limbed dogs or wolves decreases
> as they grow up. That adults slow down as they grow old is irrelevant. Do
> not see actual data that fully terrestrial reptiles get slower as they mature
> either.
> GSPaul