Organisms that are invertebrates are multicellular and eukaryotic. Most are carnivourous hetertrophs. Their cell structure differs because they lack a cell wall. Their body structure is different because they lask a backbone. These organisms reproduce, both, sexually and asexually. Most are aquatic creatures, but some are terrestrial.
PHYLUM PORIFERIA
PHYLUM CNIDARIA
PHYLUM MOLLUSCA
PHYLUM ARTROPODA
PHYLUM ECHINODERMATA
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