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4 Cards in this Set
- Front
- Back
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PROTONEPHRIDIA
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an excretory system, such as the flame bulb system of flatworms, consisting of a network of tubules lacking internal openings
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PLANARIAN
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a free-living flatworm found in unpolluted ponds and streams
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ALIMENTARY CANAL
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a digestive tract consisting of a tube running between a mouth and an anus; also called a complete digestive tract
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PARTHENOGENESIS
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asexual reproduction in which females produce offspring from unfertilized eggs
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