do spiders have bones?

i need it for my bones homework P.S. be quick!

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  • 8 years ago
    Best Answer

    Spiders, being arachnids, do not have an internal skeleton, so no, they don't have bones. What they do have is a rigid exoskeleton, composed of a polysaccharide called chitin. This type of exoskeleton is shared between all insects and arachnids, and can even be traced back to trilobites in the Cambrian era. It's an incredibly ancient structure, but it's one that works.

    And no, to satisfy your curiosity, spider silk is not also composed of chitin. It's a protein fibre. I just thought you might ask that.

  • 3 years ago

    Do Spiders Have Bones

  • 4 years ago

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    RE:

    do spiders have bones?

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  • 8 years ago

    Nope! No bones. But ants have bones, on the outside!

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  • 8 years ago

    No, they have an exoskeleton- no bones

    Source(s): I am a high school teacher
  • 8 years ago

    No, they don't. Instead of it, they have "external skeleton" which means that they have kind of strong carapace covering the whole body.

    Source(s): My biology teacher. http://en.wikipedia.org/wiki/Spider
  • Anonymous
    8 years ago

    They have an exoskeleton so yeah in their legs. (Okay on the outside)

  • 8 years ago

    Yes. We harvest them to make toothpicks

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