Leeches are segmented parasitic or predatory worms that comprise the subclass Hirudinea within the phylum Annelida. They are closely related to the oligochaetes, which include the …

2025年2月1日 · leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior …

2025年3月5日 · Annelid - Leech, Parasitic, Bloodsucking: Leeches are segmented worms characterized by a small sucker at the anterior end of the body and a large sucker at the …

It is not a leech, it is a flatworm, probably in the family Geoplanidae. Doh! We missed that identification by a whole PHYLUM of life – Leeches are in the Phylum Annelida, the phylum of …

Leeches are segmented worms in the Subclass Hirudinea that are usually ectoparasitic. They belong to the Class Clitellata (along with earthworms, Subclass Oligochaeta) because of the …

Leeches are soft-bodied, elongated invertebrates with a segmented structure, similar to earthworms, but with distinct differences. While most leeches are freshwater organisms, they …

What's the difference between Earthworm and Leech? Earthworms are big segmented worms that belong to the Phylum Annelida, Class Clitellata, and sub class Oligochaeta. Leeches are also …

Leeches are probably the most well known denizens of tropical/subtropical rainforests worldwide, and no description of a rainforest would be complete without mentioning them. These …

Most leeches (annelid class Hirudinea) are bloodsucking parasites that attach themselves to vertebrate hosts, bite through the skin, and suck out a quantity of blood. Other than the …

Leeches move by either an undulating swimming motion (eel-like) or by an “inch-worm” like crawling motion using the anterior and posterior suckers. The posterior sucker is attached to a …