In which class of the phylum Protozoa is $Amoeba$ placed?

Schizocoelomates and enterocoelomates are

What is the type of symmetry called when any plane passing through the central axis of the body does not divide the animal into identical halves?

Differentiate between a diploblastic and a triploblastic animal.

$A$ true coelom is a body cavity which is lined by layers of ............ on both sides.

Which of the following is the correct option for the animal groups corresponding to the organization shown in the figure?