1. MORE MOLLUSKS
VOCAB

2. RADULA TONGUE covered with teeth unique to mollusks
Used to scrape food off surfaces
MISSING in BIVALVES
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3. CHROMATOPHORES
Pigments in the skin that help organisms blend in with their surroundings
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4. COELOM = body cavity
In organisms with OPEN CIRCULATION coelom contains circulatory fluid (blood) = HEMOCOEL
Blood = HEMOLYMPH
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5. CLAMS Clams stay in one place = SESSILE Strain food from water =
Clams stay in one place = SESSILE
Strain food from water =
FILTER FEEDERS

6. MARINE/FRESH WATER MARINE – live in salt water FRESH WATER-
live in ponds,
lakes, streams,
rivers, etc.
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7. TROCHOPHORE LARVA
Found in all AQUATIC mollusks EXCEPT CEPHALOPODS