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sponges+mollusks+arthropods+worms+octopods+echinoderms
Yes, molluscs fit into the group known as protostomes.
Porifera (Sponges)Cnidaria (Coelenterates)Flatworms (Platyhelmenthes)Roundworms (Aschelmenthes - Nematode)Segmented worms (Annelids)Mollusks (Soft-Bodied/ hard shelled Animals)Echinoderms (Spiny-Skinned Animals)Arthropods
Crayfish and shrimp (Arthropods), Dolphins (Cetaceans), Eels (Anguilliformes), Fish (Agnatha, Chrondrichthyes, and Osteichthyes), Fly larvae (Insects/Arthropods), Hydroids (Actiniaria), Snails (Mollusks), Water mites (Arachnids/Arthropods), Worms (Oligochaetes), Worms (Nemetodes).
Mollusks compose of the large phylum of invertebrate animals known as the Mollusca. Mollusks have a mantle, mollusks invertebrate. Arthropods have jointed appendages, arthropods have segmented bodies
An invertebrate is an organism that lacks a backbone. The 6 groups of invertebrates are sponges, cnidarians, worms, mollusks, echinoderms and arthropods.
Arthropods have an exoskeleton. Mollusks don't.
Athropods. Certainly!
a scorpion is a Arthropods
Vertebrates have spinal cords. Mollusks and arthropods do not.
1. Roundworm (Nematoda)2. Mollusks (Mollusca)3. Segmented worms (Annelida)4. Arthropods (Arthropoda)5. Chordates (Chordata)6. Echinodermata (Echinodermata)
In total there are 8 groups of invertebrates:-Insects-Arachnids-Crustaceans-Millipedes-Worms-Molluscs with shells-Molluscs without shellsThe groups of Invertibrates are Coelenterates, Echinoderms, Mollusks, Arthropods, Annelids, Plathelminths, Poriferas and Nematodes.