Question

Both flatworms and roundworms have a body type called _____.

Answer 1

I believe that both flatworms and roundworms have a body type called Bilateral symmetry.  Animals that are bilaterally symmetric have mirror symmetry in the sagittal plane, which divides the body vertically into left and right halves, with one of each sense organ and limb pair on either side. 

Answer 2

Answer:

Bilateral symmetry