The researchers have studied the shape of the ribcage in more than 120 tetrapods – from prehistoric times up to the present day. (Image: UZH)
The researchers have studied the shape of the ribcage in more than 120 tetrapods - from prehistoric times up to the present day. (Image: UZH) What do enormous dinosaurs have in common with tiny shrews' They are both four-legged vertebrates, otherwise known as tetrapods. In the course of evolution, tetrapods developed various body shapes and sizes - from the mouse to the dinosaur - to adapt to different environments. Their feeding habits range from pure herbivory to fierce carnivory, and their body structure reflects this feeding diversity. As plants are usually more difficult to digest than meat, herbivores are thought to need larger guts and more voluminous bellies. Nevertheless, this hypothesis had never been tested scientifically. No difference in dinosaurs.
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