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***Inverts 2
Phylum Platyhelminthes: Class Turbellaria
7
Biology
Undergraduate 4
10/29/2009
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Term
Environment?
 Definition
free-living; aquatic; benthis
Term
Body?
 Definition
outer body surface ciliated (esp on ventral surface); much mucus (esp ventrally)
Term
Movement?
 Definition
ciliary beating; pedal waves; looping-duogland adhesive system
Term
Feeding?
 Definition
most carniverous
Term
Digestion?
 Definition
relatively simple digestive system
Term
Reproduction?
 Definition
Mostly sexual; some asexual.
Term
Development?
 Definition
direct development:
-fertilized egg--embryo dev.-->little turbs. in capsules.
-fertilized egg-->free swimming larva (mullers)
-asexual: split in half
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