Page 4 - 2.Lesson Notes-Animalia 1
P. 4
Nemotoda
• These organisms have bilaterally symmetrical, triploblastic and cylindrical
body.
• Organ system grade of the organization is seen.
• Pseudocoelom is present.
• Have a tubular digestive system with openings at both the ends.
• They are endoparasites.
• Mouth is provided with hooks and suckers.
• Examples: Ascaris, hookworm, filarial worm etc.
