Term
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Definition
| Distant cousin of annelids; Ribbon worms |
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Term
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Definition
| Related to annelids; Peanut worms |
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Term
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Definition
| Related to annelids; Spoon worms |
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Term
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Definition
| Ciliated projection used for eating on Nemertea, Sipuncula, and Echiura |
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Term
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Definition
| Mechanism by which Echiuran Fat-Innkeeper worm moves water through its burrow |
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Term
| Eversion of the probosicis OR frilled tentacles OR burrow feeding |
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Definition
| How Sipunculid Peanut Worms eat |
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Term
| Figure-8 digestive tract with anus near mouth |
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Definition
| How to distinguish the Sipunculid Peanut Worm from the Echiuran Spoon Worms |
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Term
| Stylet-tipped proboscis with toxin and mucus glands |
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Definition
| How Nemertean ribbon worms eat |
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Term
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Definition
| Segment of an annelid; separated by a septum |
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Term
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Definition
| Used for excretion of nitrogenous waste from metamere; Regulation of internal salinity in facultative regulators |
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Term
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Definition
| Projection from metamere; on polychaetes, they are bristles on the parapodia |
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Term
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Definition
| Projections from metamere on polychaetes; contain setae or chetae and also contain gills |
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Term
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Definition
| In pairs, coordinate activity and locomotion in metameres; joined by paired ventral nerve cords |
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Term
| Circular and longitudinal |
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Definition
| Types of muscles in an annelid |
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Term
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Definition
| Type of skeleton in annelids; allows movement by opposing longitudinal and circular muscles or peristaltic contractions |
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Term
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Definition
| Movement pattern in aquatic annelids |
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Term
| Closed circulatory system |
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Definition
| Type of circulatory system in annelids |
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Term
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Definition
| Number of hearts in an earthworm |
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Term
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Definition
| Mechanism for adapting to changes in salinity in surrounding environment |
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Term
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Definition
| Tubules through which wastes are removed from the coelom; surrounded by capillaries |
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Term
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Definition
| Body cavity between internal organs and body wall |
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Term
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Definition
| An asexually budded clone |
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Term
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Definition
| Gamete-filled sex organism with enlarged eyes and parapodia; only exist to shed gametes and die |
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Term
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Definition
| Where eggs and sperm are made |
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Term
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Definition
| Ducts through eggs and sperm pass; lined up in mating earthworms |
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Term
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Definition
| Produces the mucus cocoon that envelops the fertilized eggs in earthworms; Gives the clade its name |
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Term
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Definition
| Type of polychaetes that actively move around with their parapodia |
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Term
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Definition
| Big hairy beast of an errant polychaete |
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Term
| Tentacles and eyes; large jaw from an extrudable pharynx |
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Definition
| How errant polychaetes find and eat prey |
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Term
| Feather duster, plume worm, christmas tree worm |
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Definition
| Examples of Sedentary polycahetes |
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Term
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Definition
| How sedentary polychaetes feed |
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Term
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Definition
| When sedentary polychaetes sense light or dark, they withdraw their plumes |
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Term
| Tubes made of CaCO3, sand, or leathery proteins, or coiled shells on rocks or mollusk shells |
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Definition
| The structures inside which sedentary polychaetes live |
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Term
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Definition
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Term
| Earthworm characteristics |
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Definition
| Hermaphroditic; short bristles instead of parapodia; Store food in a crop and then grind it in a gizzard |
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Term
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Definition
| Lack setae; suckers on ends; jaws to pierce prey; lack septa; specialized saliva |
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Term
1)anesthetic
2)capillary dilator
3)anticoagulant |
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Definition
| Contents of clitellate leech saliva |
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Term
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Definition
| 1˚ producers at sea floor rift zones, where H2S and CH4 are released |
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Term
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Definition
| The chemicals from which non-photosynthetic, benthic 1˚ producers Archeobacteria derive their energy |
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Term
| Deep sea vents, oil drilling platforms, sunken ships, and whale carcasses |
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Definition
| Places where Archaeobacteria can form communities |
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Term
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Definition
| Benthic tube worms that live near sulfur-rich deep-sea vents; Tentacles take up H2S for symbiotic chemo-synthetic bacteria; "Bearded worms" |
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Term
| Pogonophoran characteristics |
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Definition
| Lack mouth or digestive system; Capture sulfides (H2S) with hemoglobin for symbiotic bacteria; Tentacles bright red; Segmented posterior |
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Term
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Definition
| Moss animals; AKA Ectoprocta; Resemble colonial anthozoans and hydrozoans |
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Term
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Definition
| Exoskeleton made of protein or calcium carbonate; Closable operculum; Specialized zooids for feeding/defense/attachment/reproduction |
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Term
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Definition
| Lamp shells; Resemble bivalves but aren't laterally symmetrical; Extinct; Calcium phosphate shells; |
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Term
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Definition
| Bryozoans and brachipods; Have ciliated tentacles and are a side clade to the mollusc-annelid lineage |
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