Page 83 - Primary Six Notes
P. 83

Worms





          These are thin, long and soft bodied invertebrates.


          Some live in soil or water while others are parasites living in-
          side other animals


          They breathe through their moist skins


          They lay eggs .




          Groups /types of worms


          They are divided into three groups namely;


          1. Segmented worms (annelids)

          2. Round worms (nematodes)


          3. Flat worms (platy helminthes)




             Segmented Worms









       0
                                              These are worms whose bodies are di-
                 *
                                                  vided into rings or segments.


          They mostly live                          in soil and water.

          Examples;


          1. Leeches

          2. Bristle worms


          3. Earth worms
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