Correct, arthropods don't have vertebrae (spinal column) or an internal skeleton, instead they have an exoskeleton (external), made from a tough protein, chitin.
They express the characteristics inherent to arthropods. All insects are arthropods. Not all arthropods are insects.
They express the characteristics inherent to arthropods. All insects are arthropods. Not all arthropods are insects.
Yes, all arthropods have brains.
The octopus, along with its cousins the cephalopods, are invertebrates.
All arthropods have exoskeletons and joint appendages.
Yes all arthropods are invertebrates.
Yes. All insects are arthropods.
Yup, all insects are arthropods.
All arthropods by definition belong to phylum Arthropoda.
All arthropods have an exoskeleton, segmented body, and jointed legs.
Yes, all arthropods are creatures.
All insects present an exoskeleton, so all insects are arthropods.