Answer:
Apicomplexan is a separate phylum that mainly consists of parasitic alveolates. They have a apicoplast that originated due to the secondary symbiosis.
The apical complex is the special organelle present in this phylum. The apical complex helps in the penetration at the host surface and its attachment on the particular part of the body. The apical complex helps in the further modification of body that helps the organisms to adapt according to the hosts.
