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as has been widely thought, suggesting that masses reaching close to 200 tons was within the realm of possibility. In fact, a sauropod's r-selection reproduction combined with the positive feedback loop of needing longer necks to feed a growing fermentation factory of its digestive organs, allowed adult sauropods to balloon up in size when compared to their mammalian contemporaries, as a mammal's K-selected reproduction would have limited adult sizes to avoid the overexploitation of their habitat's food resources, something sauropods lacked entirely.

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