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Invertebrates, Mollusks, Arthropods and Echinoderms
Mollusk
Mollusk definition: An animal with a soft body and a muscular foot, it may also have a shell, like a snail or squid.
Related Terms
Antenna
Anus
Arthropod
Bilateral Symmetry
Closed Circulatory System
Cnidarian
Echinoderm
Endoskeleton
Exoskeleton
Insect
Invertebrate
Larva
Lung
Medusa
Metamorphosis
Molting
Open Circulatory System
Polyp
Radial Symmetry
Radula
Tube Feet
Water Vascular System
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