Question

Members of which phylum are also known as roundworms

• A. Annelida
• B. Platyhelminthes
• C. Aschelminthes
• D. Arthropoda

Answer 1

Answer:

C. Aschelminthes

Phylum Aschelminthes:

• The body of the aschelminthes is circular in cross-section, hence the name roundworms. 
• They may be free-living, aquatic and terrestrial or parasitic in plants and animals. 
• Roundworms have organ-system level of body organisation.
• They are bilaterally symmetrical, triploblastic and pseudo-coelomate animals.