All flatworms differ from all roundworms in having_________
A. Triploblastic body
B. Solid mesoderm
C. Bilateral symmetry
D. Matamorphosis in the life history
Answer:B
All flatworms differ from all roundworms in having_________
A. Triploblastic body B. Solid mesoderm C. Bilateral symmetry D. Matamorphosis in the life history