Final answer:
The statement that is not true regarding the apicoplast organelle found in species of the phylum Apicoplasta is that it is present in a variety of organisms beyond the phylum Apicoplasta.
Step-by-step explanation:
The statement that is not true regarding the apicoplast organelle found in species of the phylum Apicoplasta is (C) The apicoplast is present in a variety of organisms beyond the phylum Apicoplasta.
The apicoplast is actually specific to the phylum Apicoplasta, which includes organisms like Plasmodium falciparum, the causative agent of malaria in humans. It is not present in other organisms outside of this phylum. The apicoplast is an important organelle with relevance to human health, as it is involved in the survival and reproduction of Plasmodium parasites within host cells.