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Exploring the Fascinating World of Annelids: Characteristics and Importance

Annelids, ranging from 1 mm to 3 meters, are segmented worms characterized by a fluid outer body with an external cuticle that is never shed. They possess a nervous system and around 100 body segments. Adaptations include using their tails to sense temperature for survival. Interesting facts include their medical applications, the role of earthworms in improving soil health, and their unique reproductive capabilities. They are key species in ecosystems and human agriculture, providing invaluable services without being directly consumed by humans.

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Exploring the Fascinating World of Annelids: Characteristics and Importance

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  1. Annelida 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

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

  3. 3 interesting facts • 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 ?????

  4. Vocavbulary words • Cuticle = dead skin • Detritivore eats dead . • Decompose to rot

  5. Hirdudo • Family Hirudinariinae • Genus Hirdudo • Genus Poecilobdella • Sand on the beach

  6. Haplotaxida • Kingdom animalia • Phylum Annelida • Class Clitellata • Food soil • Habitat underground • 9 to 30 cm

  7. Videos • http://video.nationalgeographic.com/video/player/places/regions-places/asia-southern/india_leechescure.html • http://dsc.discovery.com/videos/dirty-jobs-worm-rancher.html

  8. http://tolweb.org/articles/?article_id=57 • http://animaldiversity.ummz.umich.edu/site/accounts/pictures/Annelida_0015.html • http://yucky.discovery.com/flash/worm/pg000102.html • http://www.backyardnature.net/earthwrm.htm • http://www.naturewatch.ca/english/wormwatch/resources/anatomy.html • http://www.buzzle.com/articles/earthworm-classification-taxonomy.html

  9. 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

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