Invertebrates are animals without a backbone or bony skeleton. Invertebrates include Porifera, Cnidaria, Platyhelminthes, Nematoda, Rotifera, Mollusca, Annelida, Arthropoda, & Echinodermata.
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Invertebrates are animals without backbones. they can be classified into smaller groups. each of which has certain characteristics. invertebrates include porifera, protozoa, nematoda, mollusca, echinodermata, coelenterata, annelida, platyhelmintes, and anthropoda.
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Invertebrates are animals without a backbone or bony skeleton. Invertebrates include Porifera, Cnidaria, Platyhelminthes, Nematoda, Rotifera, Mollusca, Annelida, Arthropoda, & Echinodermata.