List three features of the earthworm that distingueshes it from members of phylum platyhelminthes and nematoda
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List three features of the earthworm that distingueshes it from members of phylum platyhelminthes and nematoda

[From: ] [author: ] [Date: 11-05-06] [Hit: ]
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nematoda is another phylum.help its for biology test tommorow

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phylum nematodes :
* body is cylindrical and dont divide into rings
* have limited or no body organs
* unisexual
phylum platyhelminthes :
* flat bodies
* body systems are limited or absent
* alimentary canal is simple
phylum annelida ( earth worm ) :
* body is segmented
* well developed body systems
* have closed circulatory , excrtory and nervous systems
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