Why do humans need to eat plants and fruits to be healthy, but large carnivores (Tigers, Lions, etc.) don’t?
In: Biology
Different guts are better equipped to extract different nutrition for different biological needs. Humans have gastrointestinal tracts and diets that benefit growth and development of a comparritively large and energy-costly brain, while (for example) a lion, has a gastrointestinal tracts perfectly evolved to extract the nutrients it needs from meat to fuel it’s comparritively large muscle growth.
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