3.1. How invertebrates protect their bodies

     

     

Invertebrates have no bones. Some invertebrates have a protective covering.

  • Shells are hard and strong.
  • Exoskeletons can be thick or thin. Crabs have thick exoskeletons. Beetles have thin exoskeletons.
Some invertebrates, like jellyfish and worms, have no protective covering.

     
     
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