0 Question: my teacher says her dog wakes up at early so does the dog have an internal body clock? Keywords: animal, body clock, dog, internal, sleep, sleep pattern, wake up Asked by nida27 to Indi, Jarv, John, Ken, Vicky on 15 Mar 2012.
Indi Ghangrekar answered on 15 Mar 2012:
Yep, sure does! Lots of organisms bacteria, fish, plants, mammals, insects, reptiles, amphibians – I would say almost all, have a body clock mechanism!
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