General Characteristics Range from one 1mm to 3 meters. Fluid outer body External cuticle that is never shed or mold Has a nervous system/brain 100 body segments

 Uses its tail to determine the temperature so it can tell is it wants to go under water or underground..

 Some annelida worms are used for medical reasons.  Earth worms help with soil a lot and farmers use them to help their crops grow  They carry both female and male sex cell ?????

 Cuticle = dead skin  Detritivore eats dead.  Decompose to rot

 Family Hirudinariinae  Genus Hirdudo  Genus Poecilobdella  Sand on the beach

 Kingdom animalia  Phylum Annelida  Class Clitellata  Food soil  Habitat underground  9 to 30 cm

 player/places/regions-places/asia- southern/india_leechescure.html player/places/regions-places/asia- southern/india_leechescure.html  worm-rancher.html worm-rancher.html

  tures/Annelida_0015.html tures/Annelida_0015.html    s/anatomy.html s/anatomy.html  classification-taxonomy.html classification-taxonomy.html

 Humans interact with worms in a good way using them for soil  Not eaten by human  Yes because fish men use worms and some of them catch them instead of paying  Not trying to protect worms so far