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14 Cards in this Set
- Front
- Back
- 3rd side (hint)
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bivalve examples |
clams, mussels, scallops, oysters |
in mollusks this is used for movement, digging
Mantle |
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bivalves |
hard shell with 2 matching halves 2 shells filter feeders get oxygen with gills move by pushing foot in and out open & close shell to squirt water & swim open circulatory system |
in mollusks this is used for movement, digging
Mantle |
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cephalopod examples |
squid, octopus, cuttlefish, nautilus |
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cephalopods |
live in saltwater most well developed body systems of mollusks nautilus only one with external shell most have reduced internal shell predator use tentacles to capture food get oxygen with gills move with tentacles use siphon & jet propulsion closed circulatory system |
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cephalopods are unique because |
some can change body color to match surroundings some release ink-like fluid to escape predators most intelligent group squid is the largest invertebrate |
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gastropod examples |
snails, conch, sea slugs, garden slugs, whelks, periwinkles |
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gastropods |
soft body with or without shell get food using radula aquatic mollusks use gills terrestrial ones use mantle as modified lung move by rhythmic contractions of muscular foot & mucus open circulatory system |
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gastropods are unique because |
they are the largest group of mollusks |
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mantle |
protects internal organs produces shell
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mollusk |
invertebrate live on land, in freshwater & saltwater muscular, digestive, respiratory, circulatory, nervous system reproduce sexually (separate male & female) have muscular foot & mantle |
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muscular foot |
used for movement & digging |
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oysters are unique because |
they make pearls |
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radula |
used by gastropod to shred food; cutting part of mouth |
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siphon & jet propulsion |
used by cephalopods to expel water & move |
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