Exoskeletons.
All arthopods do not have backbones which makes all arthopods invertebrates!
they are all jointed
Yes lobsters are invertebrates, as are all Arthopods.
arthopods
arthopods
the normal ones
Arthropods are characterized by segmented bodies, an exoskeleton made from chitin, and joint appendages.
Gill
Arachnids such as spiders and scorpions have chelicerae.
No. All arthopods belong to the phylum Arthropoda, while all reptiles (along with other vertebrates) belong to the phylum Chordata
Arachnids, Crustations, Millipedes, Centipedes, Insects
Sponges, Cnidarians, Mollusks, and Echinoderms are not Arthropods.