8 Invertebrate Phyla
For 6th graders, by 6th graders
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Mollusca
Gastropods
Bivalves
Cephalopods
Arthropoda
Insecta
Crustaceans
Myriapods
Arachnids
Porifera
Echinodermata
Cnidarians
Annelida
Platyhelminthes
Nematoda
Myriapods
Myriapods are a group of arthropods. They have bilateral symmetry and reproduce sexually. They have exoskeletons and molt to grow. Myriapods have 15-70 pairs of legs.
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