Most of us prefer a bit of variety in what we eat. Not true for these five "specialist" species, who seem perfectly content relying on just a single type of food. Humans are, by nature, omnivores. Our ...
Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. With a growing human population and rising living standards, demand for animal-derived ...
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