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Zoology Lab Test
Lab 5-7
| Term | Definition |
|---|---|
| Limpet | Scrapes algae, water exits through dorsal cavity |
| Abalone | Eats algae (kelp), important in seafood industry |
| Worm Snail | Attach to sedentary creatures, twists |
| Ear Snail | Foot is larger than the shell |
| Moon snail | Radula drills holes in bivalves (prey) |
| Slipper snail | eats detritus, changes from male to female during life |
| banded tulip snail | feeds on other snails and bivalves |
| FL Horse Conch | Related to whelks, red color when alive |
| Knobbed Whelk | Prefers Angel Wing clams |
| Lighting Whelk | Prefers Quahogs and Angel wings |
| Channeled Whelk | Lacks large knobs |
| Whelk egg case | many miniature whelks |
| Olive | Burrow in search of clams & crustaceans; state shell of SC |
| Auger | Some contain mild poison, not dangerous to humans |
| Cowrie | Foot may cover most of shell |
| Apple Murex | Has a pink color inside aperture |
| Oyster Drill | Drilling radula; prefers oysters; secretes acid |
| Strombus | pink inside aperture, notice notch at bottom of margin |
| Crepidula- slide | Slipper snail veliger larva undergoes torsion |
| Scotch Bonnet | NC state shell; eats various urchins |
| Cockle | Small teeth present at umbo- no bar present |
| Ark | Lack teeth at umbo, bar present, has ridges |
| Scallop | Large bar at umbo, visible outside the shell |
| Disc Dosinia | Concentric lines-very fine |
| Atlantic Surf Clab | smooth- symmetrical shape with umbo in the center |
| Eastern Oyster | often attached to other oyster shells |
| Coquina | used in chowder |
| Umbo | oldest part of shell |
| adductor scars | adductor muscles grew here |
| pallial line | insertion area of mantle, where all organs are held |
| Clam glochidia | parasitic developmental stage of freshwater mussels, attaches to the gills of a fish for several weeks |
| squid | funnel (siphon)-jet propulsion lateral fins- steer during swimming |
| Cuttlefish | made of calcium |
| Nautilus | siphuncle-cord of tissue connects all of the gas-filled chambers |
| Octopus | lacks fins and tentacles- 8 arms |
| Chitons | 8 dorsal plates muscular food holds chiton in intertidal rocks while scraping algae with its radula gills are located between foot and mantle |
| Chaetopterus | Parchment Tube Worm |
| Arenicola | Lugworm |
| Lumbricus terrestris | earthworm |
| Hirudo medicinalis | Leeches |
| harvestmen | daddy longlegs |
| sarcoptes scabei | tunnels and lays eggs under the skin |
| tick and mite | ____ are larger, _____ are smaller |
| callinectes | blue crab |
| ocypode quadrata | ghost crab |
| libinia emarginata | spider crab |
| mole crab | not true crab, lack chelipeds, filter feeder, males die after mating- most adults are female |
| abdomen | segmented tail region |
| atennae (long) | sensory structures- touch taste and smell |
| antennules | short atennae that funtion in balance touch and taste |
| carapace | protective shell over cephalothorax |
| cephalothorax | fused head and thorax tagmata |
| cervical groove | indention that separates the fused head and thorax regions |
| chelipeds | large claws- hand food, used for defense |
| maxillipeds | feeding appendages- located near mouth |
| rostrum | pointed area about the eyes- snout |
| telson | single, center extension of tail- helps crayfish swim backwards |
| uropods | lateral extnesions of the tail that surround the telson |
| walking legs | four pairs of long, jointed legs attached to the cephalothorax |
| seminal receptacle | where malea deposits sperm in the female |
| swimmerets | five pairs of very short abdominal appendages |
| daphnia | water flea |
| horned devil caterpillar | moth adult |
| cimex lectularius | bedbug |
| pedicellarie | get food off top, pinchers |
| madreporite | entrance of water into water vascular system |
| tube feet | locomotion |
| ambulacral groove | podia project outside of organism, down center |
| plyoric caeca | digestive glands |
| gonads | dioecious, reproduction |
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