Download Marine Annalids: the Beard Worms

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Marine Annalids: the Beard Worms
• Beard worms, or pogonophorans are highly
specialized annelids
• Pogonophorans lack a mouth and a gut
• A tuft of long tentacles absorb nutrients in the
water and give these annalids their common
name
• Found at hydrothermal vents; symbiotic
associations with bacteria
Riftia pachyptila
http://bioweb.uwlax.edu/bio203/s2007/rossing_jaco/introduction__the_worm_under_inv.htm
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