Exemplar Problems

Question:

What are the distinguishing characteristics of animals in the phylum Aschelminthes (Roundworms)?

Answer:

Animals in the phylum Aschelminthes, also known as roundworms or nematodes, are bilaterally symmetrical and triploblastic. They have unsegmented, cylindrical bodies with a tough cuticle covering. Nematodes can be found in various environments and include both free-living and parasitic species.