Invertebrates are animals without a backbone. The group represents 95% of all animal species. The phyla in the group include : * Arthropoda - insects, arachnids, crustaceans * Nematoda - round worms * Mollusca - squid, snails, bivalves * Annelida - segmented worms (earthworms, leeches, polychaetes) * Nemertea - ribbon worms * Platyhelminthes - flat worms * Rotifera * Acoelomorpha * Ctenophora - Comb jellies * Cnidaria - jellyfishes, corals, sea anemones, hydras * Porifera - sponges * Echinoderms - starfishes, sea urchin
Oysters belong the the invertebrate group of mollusk.
the most complex group of invertebrate is cnidarians
Insects are the largest and most common invertebrate group.
They are in the mollusks group.
the posaidon group
invertebrate
no
They belong to the group of arachnids.
mollusk, polycepodaIntelligent Invertebrate: The octopus - a cephalopod - is one of the largest, fastest and most intelligent of all invertebrates.This information was taken from "Animalplanet.com".
mollusk
mollusks
Birds