This is an inefficient way

[chark017074]

"This is an inefficient way of breathing compared to the way that we breathe," says Tim Cockerill, a broadcaster and entomologist at Falmouth University in the UK, holding aloft a giant tropical fruit beetle from West Africa in the palm of his hand. "This is pretty much the size limit of most insects [today]. If insects were bigger than they are now, they just wouldn't be able to breathe in the same way (in 21% atmospheric oxygen)."




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