_ have jointed exoskeletons.
Insects Mammals crocodiles Amphibians barnacles animals tortoises Reptiles
A B C D E F G H
Arthropods Arthropods have jointed segmented exoskeletons.
Insects have jointed segmented exoskeletons
_ have jointed exoskeletons. (A) Insects (B) Mammals (C) crocodiles (D) Amphibians (E) barnacles (F) animals (G) tortoises (H) Reptiles