do all species have a gut microbiome? I have heard much discussion regarding the bacteria in our gut. Is this phenomenon unique to us or do all species have additional bacteria living in stomach?
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To add: Most organisms on Earth are adapted to very specific niches whereas Homo Sapiens in an extremely short time (Geologically speaking) have spread out to every environment on Earth – experiencing different climates, eating different plants, eating different animals – add on cooking and other food processing and we are extremely adaptable organisms.
If you’re living in a consistent niche then your gut biome can be more straightforward and consistent. But human are uniquely exposed to a high variety of foods and under constant assault of our prescription antibiotics that gut biome and the study therefore is becoming increasingly relevant.
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