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ANNELID WORMS

ANNELIDS

Annelid bodies are composed of many identical segments.  Some breathe atmospheric oxygen while others depend on gills to extract oxygen from water.  Some annelids are scavengers while others are predators.

WORM  

In addition to parasitic, blood-sucking leeches, more than 200 predatory species which feed on small invertebrates, earthworms, and dead vertebrate and invertebrate tissue (Pfeiffer, 2005).

Leeches are parasites which secrete an anticoagulant to prevent the wounds they inflict on their host from clotting.
LEECH
LEECH LEECH