🐌 MOLLUSCA LEARNING LAB
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Shell
Foot
Tentacles
Mantle
Radula
Sam says
Hi Abi! Tap a glowing dot on me to see what's underneath.
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Shell Layers
Periostracum, prismatic, nacreous
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Torsion — Watch it Twist
A real 180° rotation, animated
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Bivalve Shell
Umbo, ligament, adductor muscle
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