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Arthropods are invertebrates (animals without a backbone) with jointed legs and a hard exoskeleton (external skeleton). Within the arthropod group are insects (six legs), arachnids (eight legs), crustaceans (variable number of legs) and myriapods (millipedes and centipedes - many legs).
What else can I help you with?
Is lobster a vertebrate or invertebrates?
invertebrate - has exoskeleton
Is a mussel an invertebrate or vertebrate?
An invertebrate.
Is a conch a invertebrate or a invertebrate?
no
Is dragonflies an invertebrate?
It is an invertebrate 
Is the bullfrog an invertebrate?
A bullfrog is not an invertebrate; it has a spine.
Is a is a octopus a vertebrate or invertebrate?
The octopus is an invertebrate... It has no skeleton.
Is a housefly vertebrate or invertebrate?
seriously? wow....... did you pass 4th grade? invertebrate
What feature makes an invertebrate an invertebrate?
An invertebrate doesnt have a backbone. A vertebrate has a backbone.
Are crab vertebrate or invertebrate?
Crabs are invertebrate!Say the yeti crab has no backbone or spine so it is an invertebrate! Not vertebrate.Yes, all crabs are invertebrates, having an external skeleton (exoskeleton).
Is a scorpion vertabarte or invertebrate?
invertebrate
Starfish vertebrate or invertebrate?
Invertebrate
Is platylhelminthes an invertebrate or vertebrate?
Invertebrate.
