| Day 3: Head: 50mm Tail: 20mm Ratio: 20/50 | Day 6: Head: 55mm Tail: 30mm Ratio: 30/55 | Day 9: Head: 60mm Tail: 40mm Ratio: 40/60 | Day 13: Head: 62mm Tail: 50mm Ratio: 50/62 | Day 45: Head: 75mm Tail: 110mm Ratio: 110/75 |
Above is a chart with the growth of the baby rats each day we measured them. According to this information, the ratio of the tail lenght to the head circumference (listed above) changed each and every day the rats were measured. All in all, the tail length eventually became bigger than the head.
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