Leeches - Phylum Digestive System

leeches Annelids, Alphabet activities preschool, Leech

Phylum Annelida- characteristics, classification, examples

Which of the following animals lack a digestive tract? (a) leeches (b) earthworms (c) tapeworms (d) nematodes (e) all animals have complete digestive tracts

Drawing of the digestive tract and excretory organs of H. verbana

Leech - New World Encyclopedia

The Digestive System and Its Annelida Phylum

Leeches SpringerLink

Annelid, Definition, Characteristics, Habitat, Reproduction, Diet, & Facts

Hirudinaria: Transverse Section and Locomotion