Name the following:
$(i)$ The cells which have a changing shape.
$(ii)$ The cells which have a typical shape.

(N/A) $(i)$ $Amoeba$ is a unicellular organism that constantly changes its shape by forming pseudopodia to move and capture food.
$(ii)$ $Nerve$ $cell$ (neuron) has a fixed,typical shape with a long axon and dendrites to facilitate the transmission of electrical impulses throughout the body.