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What exactly IS a dinosaur?
Brandon Pilcher writes:
> I am currently working on a Powerpoint for a high school project
> due around the beginning of June. The subject of my presentation
> will be dinosaurs; it will be a general FAQ on dinosaurs and
> various debates about them (for example, warm-bloodedness, theropod
> foraging behavior, relationship to birds, etc.). The first question
> that I will answer in my presentation will be, "What is a
> dinosaur?" The problem is, I'm not 100% sure how to answer that
> question. What distinguishes dinosaurs from, say, pterosaurs,
> plesiosaurs, or saber-toothed cats? What are some characteristics
> shared universally among dinosaurs that other animals do not have?
Hey, Brandon,
You can find answers to this question and many others, pitched at the
"intelligent layman" level, here:
http://www.miketaylor.org.uk/dino/faq/index.html
_/|_ ___________________________________________________________________
/o ) \/ Mike Taylor <mike@indexdata.com> http://www.miketaylor.org.uk
)_v__/\ "Do they fry your brain? Probably, but if that's the price
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internet.