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Old 05-08-2014, 03:33 PM
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When considering the enormous size of most dinosaurs, the first thing that comes to mind is their need for a substantial caloric intake. Even the herbivores would have required a large food supply. With planetary cloud cover blocking out most of the sun's rays and icecaps eclipsing entire continents, one could imagine the competition for food was fierce. In my opinion, their demise was combination of several factors 1) starvation, 2) being killed off by other dinosaurs who were fighting for the same food, and 3) extreme cold. Though I imagine their body fat provided insulation to the cold to some extent, they probably had a hard time finding something to eat. Flash forward a few eons and the same thing will happen to people.
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