jointed- leg animal : an invertebrate with an outside skeleton
appendage: structure that grow outside the animal body
exoskeleton:an eskeleton outside the body
moltin: sheddling and exoskeloton
antennae: appendage of the head that is used for senses
compound eye: eye with many lenses
spiny-skin asnimal: invertebrate with a 5 body design
tube feet: part of starfish that are like suction cups
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