write different phyla of invertebrates such as phylum annelida, arthropoda and echinodermata
based on reproduction, symmetry,
respiration and circulation
nervous system,
digestion and excretion
Expert's answer
Major invertebrate phyla that you should know include porifera, cnidaria, platyhelminthes, nematoda, mollusca, annelida, arthropoda, and echinodermata.