Question:

Why do caterpillars shed their skin when they grow big but not humans?

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A biology question my teacher gave me. Please help!!!!!!!

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  1. Caterpillars have one shell lining. When they grow, they shed it . Humans have individual skin cells that die off daily and get replaced.


  2. 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.

  3. No mammal sheds its skin - at least in the way that bugs and reptiles do. Humans "shed" skin by the outer layers slowly flaking away. If you scratch your arm or leg enough, you'll see the sheddings.

  4. some species of caterpillar actually shed skin as a kind of puberty put it lol

    we humans grow and shed skin cells perminantly thats what helps make dust so we do shed skin.

    but caterpillars shed all their skin as they go  stage beyond puberty

    we humans grow hair and our voices deepen as we grow up

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