Term
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Definition
| ribbon worm; long flattened worm(unsegmented);mostly marine, some fresh water, some terrestrial; mostly free living predators |
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Term
| Similarities w/ flatworms (turbellarians)? |
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Definition
| flattened dorsoventrally; some have parenchyma; coelomate; ciliated epidermis(high mucus production);brain/longit. nerve cords; sensory recept:photo(eye spots);mechano(bristles);chemo(grooves on body surface);protonephrial excretory system |
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Term
| Differences from flatworms (turbellarians)? |
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Definition
| circulatory system(no heart, no oneway valves),complete gut,hollow muscular probiscus(not part of gut, housed in rhynchocoel) |
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Term
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Definition
| most gonochoristic, some produce free swimming larvae->pilidium, others brood young. aexual repro(fragmentation and regenration) |
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