Solutions en sciences de la vie
Leeches
Leech is a common name for over 650 species of carnivorous, bloodsucking annelid worms that make up the class Hirudinea of the phylum Annelida. They are equipped with a large and a small sucker. The mouth is located on the small sucker and has three jaws with sharp teeth that make a y-shaped incision in the flesh.
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