Class Notes On Phylum Aschelminthes (Round Worm)

By

Phylum Aschelminthes (Round Worm) –

- Free living or parasitic, aquatic and terrestrial.

- Bilateral symmetry and Triploblastic.

- Pseudocoelomate.

- Muscular pharynx.

- Male smaller and thinner than female.

- Fertilisation internal, development direct or indirect.

- eg. Ascarislumbricoides, Wucherariabancroftiietc.


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