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27-2 Roundworms
Pseudocoelom• Body cavity between the endoderm and  mesoderm tissues that is partially lined with  the mesoderm tissue
Anus• Opening through which wastes leave the  digestive tract.
Key Concept• Roundworms are unsegmented worms that  have pseudocoeloms and digestive systems  with two openings- a mouth a...
Key Concept• Parasitic roundworms include trichinosis-  causing, filarial worms, ascarid worms, and  hookworms.
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Biology 27.2

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Biology 27.2

  1. 1. 27-2 Roundworms
  2. 2. Pseudocoelom• Body cavity between the endoderm and mesoderm tissues that is partially lined with the mesoderm tissue
  3. 3. Anus• Opening through which wastes leave the digestive tract.
  4. 4. Key Concept• Roundworms are unsegmented worms that have pseudocoeloms and digestive systems with two openings- a mouth and an anus
  5. 5. Key Concept• Parasitic roundworms include trichinosis- causing, filarial worms, ascarid worms, and hookworms.

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