caterpillar shed their skin when they grow big while human do not. why?
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We humans also shed our skin. Studies have shown that humans shed their entire outer layer of skin every 2-4 weeks at the rate of 0.001 -- 0.003 ounces of skin flakes every hour.
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A human's epidermis consists of millions (or billions) of flat, dead cells known as squamous epithelial cells. When we grow, the baseline layer of cells generating the skin multiplies, and the dead cells quickly follow suit.
In catterpillars, however, the skin consists of a shell made from a protein called chitin. Though it is flexible, the skin consists of a single piece. Thus, in order to grow, the caterpillar must shed.
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In catterpillars, however, the skin consists of a shell made from a protein called chitin. Though it is flexible, the skin consists of a single piece. Thus, in order to grow, the caterpillar must shed.
Hope this helps u
Mark as brainliest answer dear
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