they call their mommies
No. Arthropods have "exoskeletons", shells outside their bodies that contain and protect their internal organs.
Lice
Legs and exoskeletons were extremely useful, as these enabled the creatures to resist gravity, which is not a concern in the bouyancy of water.
They protect themselves by squirting ink.
Like all arthropods, the grasshopper is protected by a chitinous exoskeleton.
Fleas, ticks, and lice.
Citizens protect themselves with police departments. Nations protect themselves with a military.
they use their sting tail to protect themselves
how do lionfish protect themselves
they have an outer coat which is very strong and they have sharp claws
They protect themselves with their horns, made with really strong bones , and thick skin used as a shield to protect themselves.
Barnacles protect themselves by sticking to something sturdy.