Does The Platypus Have A Stomach?
Does The Platypus Have A Stomach? In other words, the platypus has no stomach. The stomach, defined as an acid-producing part of the gut, first evolved around 450 million years ago, and it’s unique to back-boned animals (vertebrates). … On at least 18 separate occasions, vertebrates have abandoned their stomachs. How do platypus eat without