A question for the entomologists among you. Insects breathe through tracheas and therefore cannot grow larger than 17 centimeters at our current oxygen concentration (says the first article I found on Google).
So my question is whether scorpions are bound in the same or a similar way. Google could not really help me in this regard.
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[Oxygen: The Molecule That Made the World – By Nick Lane](https://nick-lane.net/books/oxygen-the-molecule-that-made-the-world/)
During the Carboniferous period, there were giant versions of most creatures. Dragonflies with 75 cm wingspan, scorpions up to a meter long, newts reached 3 meters and ferns grew to 40 meters. Scientists suspect that the oxygen levels in the atmosphere were higher but haven’t yet been able to prove that it effected the size of plants and animals.
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