When baby rats grow, their body changes. When the rats are born, their head is bigger than their body. Then about two weeks later, their body is bigger than their head. The ratio of their head to body is 2:1 when the rats are born. After the two weeks the ratio of their head to body is 1:2.
What I learned was that baby rats head get smaller than their body because they are growing and developing. Since the ratio is 1:2 when the rats are fully grown, this means that the rat is developing.
What I learned was that baby rats head get smaller than their body because they are growing and developing. Since the ratio is 1:2 when the rats are fully grown, this means that the rat is developing.
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