Question

Difference between flatworm and roundworm

Answer 1

Flatworm:
1. Mostly parasitic but some are free living.
2. Body dorsoventrally flattened, triploblastic.
3. Acoelomate worms.
4. Bilaterally symmetrical, excretion by flame cells.
5. They are members of Phylum Platyhel- months.
6. Mostly hermaphrodite.
7.e.g., Taenia, Fasciola.
Roundworm:
1. Mostly endoparasites but some are free living.
2. Body bilaterally symmetrical, elongated.
3. Pseudocoelomate worms.
4. Excretory system is H- shaped.
5. They are members of Aschelminthes.
6. Sexual dimorphism is well-marked.
7. e.g., Ascaris.
Hope this helps :)