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Question to Gizars – Read this phrase : “The idea is, it’s a lot of work for animals to capture oxygen and bring it all the way to their cells,” said Shishido. “It’s a much bigger job for large animals than for small ones. If cold temperatures make you need less oxygen, you can grow to a larger size.”” https://phys.org/news/2019-04-giant-antarctic-sea-spiders-weather.html