Platyhelminthes show _______ symmetry.
What types of body symmetry is present in Platyhelminthes?
Give one example of: (a) Platyhelminthes; (b) Nematoda.
Assertion [A] : Platyhelminthes are acoelomates.
Reason [R] : In platyhelminthes the coelom is filled with a packing tissue called mesenchyme.