PHYLUM NEMATO

DATHE ROUNDWORMS

CHARACTERISTICS

• TUBULAR SHAPE WITH POINTED ENDS• BILATERAL SYMMETRY• UNSEGMENTED BODY• MOVE IN A WHIP-LIKE MOTION

• ROUNDWORMS CAN BE FREE-LIVING IN MOIST SOILS OR PARASITES

• 1 WAY DIGESTIVE SYSTEM (2 OPENINGS)

MOUTHREPRODUCTIVE SYSTEM

INTESTINE

ANUS

MOUTH INTESTINES ANUS

PROBOSCIS INSIDE

LIVE IN HEART/BLOOD

HEART WORMS

LUNG WORMS

LIVE IN HEART/BLOOD

EAT BLOOD IN INTESTINE

LIVE IN HEART/BLOOD

EAT BLOOD IN INTESTINE

LIVE IN MUSCLE

TRICHINA WORM CYSTS

LIVE IN HEART/BLOOD

EAT BLOOD IN INTESTINE

EAT FOOD IN INTESTINE

LIVE IN MUSCLE

DOG ROUND WORMS - intestinal

THREAD WORMS – in muscle