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!!!!Inverts 3
Phylum Sipuncula
5
Biology
Undergraduate 4
11/24/2009
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Term
body
 Definition
"peanut worms", unsegmented
Term
feeding
 Definition
deposit feeders
Term
excretion
 Definition
metanephridia, urns
Term
reproduction
 Definition
similar to polychaetes and echiurans; usually gonochrostic
Term
repro cycle
 Definition
pertioneum->gametes->metanephridia->external fert->trochophore larva (non feeding)
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