multiple radically different cellular morphologies
... that all apicomplexans are parasitic, creating a need for multiple radically different cellular morphologies?
... that all <a href="./Apicomplexa" id="mwCy8" rel="mw:WikiLink" title="Apicomplexa">apicomplexans</a> are <a href="./Parasitism" id="mwCzA" rel="mw:WikiLink" title="Parasitism">parasitic</a>, creating a need for <b id="mwCzE"><a class="mw-redirect" href="./Apicomplexan_cellular_morphology" id="mwCzI" rel="mw:WikiLink" title="Apicomplexan cellular morphology">multiple radically different cellular morphologies</a></b>?