How crabs enjoy a hot meal
نویسنده
چکیده
Crabs are renowned for their cranky demeanor, but when one considers the extreme conditions under which they must survive, it becomes easier to sympathize with these crotchety crustaceans. One hardship that crabs must endure is changing temperature: a daily swing of 20°C is not unusual for the intertidal zone. Because crabs do not actively maintain a constant internal body temperature, environmental fluctuations pose a serious problem for the crab’s nervous system, whose component parts are all uniquely temperature dependent.
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