Search Results for: Live crustaceans in shell
cephalocarida - horseshoe shrimps branchiopoda - brime shrimp maxillopoda - barnacles , fish lice, copepods , etc. ostracoda - seed shrimp malacostraca - lobsters , crabs , shrimp , etc. arthropods ( phylum arthropoda) are the largest phylum of animals and include the insects , arachnids , and crustaceans
a tough polysaccharide called chitin . the exoskeleton provides support and protection. periodically, an arthropod sheds this covering when it molts . arthropods also have a dorsal heart , a ventral nervous system , an open circulatory system , and a digestive system . arthropods play a major role in...
https://www.newworldencyclopedia.org/entry/Arthropod