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Invertebrates, Mollusks, Arthropods and Echinoderms
Radula
Radula definition: A tonguelike organ with teeth in mollusks like snails.
Related Terms
Antenna
Anus
Arthropod
Bilateral Symmetry
Closed Circulatory System
Cnidarian
Echinoderm
Endoskeleton
Exoskeleton
Insect
Invertebrate
Larva
Lung
Medusa
Metamorphosis
Mollusk
Molting
Open Circulatory System
Polyp
Radial Symmetry
Tube Feet
Water Vascular System
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