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Other Invertebrates
Invertebrates are animals
without backbones and range broadly in size and complexity. The major groups
of invertebrates include rotifers, jellyfish, flatworms, ribbonworms, roundworms,
segmented worms, starfish and their relatives, mollusks (snails, clams,
octopuses, etc.) and arthropods (lobsters, crabs, spiders, insects, centipedes,
and millipedes). The better known invertebrate invasive species are primarily insects, although
some very important pests, such as the zebra mussel, are from the other groups. |
