A unicellular organism P lives in pond water. The organism P has no fixed shape, its shape keeps on changing. It moves and catches its prey with the help of organs Q which keep on appearing and disappearing. The organism P reproduces by a process R.
Another organism S also reproduces by this process. Name P, Q, R and S.
which one of the following organism has changing shapes?
Which unicellular organism has definite body shape and takes in food from a definite place in the body?