Plathyhelmyntes

The characteristics of general
• thin body shape
• Lifestyle parasitic
• Having a inhalator tools
• rudimentary digestive channel

Classification
1. Class turbellaria, for example: Planaria
2. Class trematoda, for example: Fasciola hepatica (heart worms)
3. Class cestoda, for example: Taenia solium

Fasciola hepatica life cycle
Eggs out with feces mirasidium a sheep. Then mirasidium swim in the water, and if met with the fresh water snail, then mirasidium will into the snail's body. In the body of a snail mirasidium up sporokista. Sporokista doing partenogenesis become redia, then redia doing partenogenesis become serkaria. Serkaria snail out of the body and release it tail in grass become metaserkaria. Metaserkaria conceal themselves form the cyst. When eaten sheep cyst, cyst wall penetrate small intestine into adult worms. Worms mature and lay eggs issued with feces.


Nemathelminthes

The characteristics of general
• Said worm thread
• The body does not internodes -segment
• Channels perfect digestion
• Living in the free water, soil, or parasites
Nemathelminthes can cause disease when the parasite lives in the female body . Example: Wuchereria brancrofti can cause foot elephant

Classification
1. Class Nematoda, for example: Ascaris lumbricoides,
2. Class Nematomorpha, for example: Gordius sp

Annelida

The characteristics of general
• The form of the body and rounded have segmen too long
• Channels perfect digestion
• Having chaeta (hair
Classification
1. Class Polychaeta
2. Class Oligochaeta
3. Class Hirudinea